# KL-LED-MSZ4 Mobile Four-Petal LED Light

URL: https://www.keling-surgicallight.com/products/kl-led-msz4-mobile-led-surgical-light/
Category: Mobile LED Surgical Lights
Manufacturer: Keling Medical (Jiangsu Keling Medical Appliances Co., Ltd.)
Quote: https://www.keling-surgicallight.com/contact/?models=kl-led-msz4


> **Quick answer:** The Keling KL-LED-MSZ4 is a mobile floor-standing four-petal-dome LED shadowless operating lamp with variable illumination of 40,000–120,000 lux at 1 m, 32 imported LED bulbs rated for 50,000 hours, and a fixed color temperature of 4,500 ± 500 K, manufactured by Keling Medical (Jiangsu Keling Medical Appliances Co., Ltd.) for hospitals, clinics and medical distributors. It is an entry-to-mid-range mobile surgical light suited to general and outpatient surgery settings where a fixed neutral-white color temperature is sufficient.

## Quick Facts

- The Keling KL-LED-MSZ4 delivers variable illumination of 40,000–120,000 lux at 1 m, adjustable via digital stepless brightness control.
- Keling Medical equips the KL-LED-MSZ4 with 32 imported LED bulbs rated for an average service life of 50,000 hours.
- The KL-LED-MSZ4 operates at a fixed neutral-white color temperature of 4,500 ± 500 K, standardizing the light spectrum without requiring on-the-fly color temperature adjustment.
- The KL-LED-MSZ4 four-petal (quad-lobe) dome head distributes light across a field diameter of 10–28 cm at 1 m to eliminate surgical shadow.
- The KL-LED-MSZ4 heat-to-light ratio is ≤3.2 mW/m²lx, keeping radiant heat delivery to the surgical field at a clinically safe level.
- The KL-LED-MSZ4 consumes a maximum of 80 W and operates on a universal 100–240 V / 50–60 Hz power supply.

## Overview

The KL-LED-MSZ4 is Keling Medical's entry-to-mid-range mobile four-petal-dome LED operating lamp, designed for hospitals and outpatient facilities that require a high-quality shadowless light on a mobile platform with straightforward operation. Unlike the MSTZ4 and MSTZ5 models, the KL-LED-MSZ4 does not include an endoscopy mode or a wide-range adjustable color temperature; instead it operates at a standardized 4,500 ± 500 K neutral white, which suits the majority of general, minor and outpatient surgical procedures without requiring staff to manage color temperature settings between cases.

With 32 imported LEDs and a four-petal dome, the KL-LED-MSZ4 delivers between 40,000 and 120,000 lux at 1 m via digital stepless brightness control. The color rendering index of Ra ≥ 85 provides accurate tissue color reproduction across the full brightness range. The nano-coated heat sink maintains a heat-to-light ratio of ≤3.2 mW/m²lx, and the imported balance arm offers flexible vertical adjustment with reliable position-hold, making it practical for varied procedure types and surgical team heights.

At 80 W maximum power consumption, the KL-LED-MSZ4 is the lowest-power model in the MSTZ/MSZ mobile range, reducing operating costs in high-throughput outpatient or day-surgery environments. The removable handle sheath simplifies infection control between cases. Two procurement configurations are available: KL-LED·MSZ4 (single head) and KL-LED·MSZ4D (dual head) on the same mobile floor-stand platform.

## Key Features

- **Four-Petal Dome Design** — Quad-lobe shadowless head distributes light from four angles onto the operative field to eliminate surgical shadow across the diameter.
- **Variable 40,000–120,000 Lux Output** — Wide illumination range covers low-intensity minor procedures through high-intensity general surgery requirements on a single unit.
- **32 Imported LED Cold Light Source** — Ultra-thin optical lenses maximize luminous efficiency; cold-light spectrum eliminates infrared heat load compared to halogen sources.
- **Digital Stepless Brightness Control** — Smooth, continuous, flicker-free brightness adjustment without perceptible steps from minimum to maximum output.
- **Fixed Color Temperature 4,500 ± 500 K** — Standardized neutral-white color temperature simplifies multi-user and multi-shift operation without per-case reconfiguration.
- **Ra ≥ 85 Color Rendering** — High color rendering index ensures accurate tissue, blood and instrument color discrimination across the full brightness range.
- **Nano-Coated Heat Sink** — Nano surface treatment maximizes heat dissipation efficiency, maintaining low LED junction temperatures and supporting 50,000-hour rated bulb life.
- **Imported Balance Arm** — Flexible up-and-down adjustment with position-hold keeps the lamp head stationary during extended procedures.
- **Removable Handle Sheath** — Detachable sterile handle sheath is easy to remove for autoclaving or chemical disinfection between cases.
- **Mobile Floor Stand with Castors** — Self-contained mobile base enables room-to-room repositioning without ceiling mounting infrastructure.
- **Universal Power Supply** — 100–240 V / 50–60 Hz input accepts power from any standard medical-grade outlet worldwide.
- **80 W Maximum Power Consumption** — Low power draw reduces operating costs relative to higher-specification models in high-throughput environments.

## Technical Specifications

| Parameter | Value |
|---|---|
| Model | KL-LED·MSZ4 |
| Illumination at 1 m | 40,000–120,000 lux |
| Light field diameter at 1 m | 10–28 cm |
| Light field diameter D10 | 180 ± 40 mm |
| Light field diameter D50 | 110 ± 35 mm |
| Color rendering index (Ra) | 100 ≥ Ra ≥ 85 |
| Color temperature | 4,500 ± 500 K |
| Number of LED bulbs | 32 |
| Average bulb life | 50,000 hours |
| Heat-to-light ratio | ≤ 3.2 mW/m²lx |
| Working distance | 70–140 cm |
| Power supply | 100–240 V, 50/60 Hz |
| Max. power consumption | 80 W |
| Ceiling height for installation | 270–320 cm |
| Available variants | KL-LED·MSZ4 / KL-LED·MSZ4D |

*Specifications are subject to change; dimensional tolerances may apply. Contact Keling Medical for the latest datasheet.*

## Applications

The KL-LED-MSZ4 mobile surgical light is suited to facilities requiring a reliable, efficient, repositionable operating lamp for general and minor surgery without the complexity of multi-mode or wide-range color temperature adjustment. Its variable brightness range and mobile platform make it practical across a broad range of facility types.

Typical deployment settings include:

- General surgery and minor procedure operating theatres
- Outpatient and day surgery centers
- Gynecology and obstetrics procedure rooms
- Dental surgery and oral and maxillofacial operating rooms
- Orthopedic and trauma procedure suites
- Emergency departments requiring mobile supplemental surgical lighting
- District hospitals and primary care surgical facilities with straightforward case mixes
- Medical equipment rental and mobile surgical unit operators

## Frequently Asked Questions

### What is the KL-LED-MSZ4 used for?

The Keling KL-LED-MSZ4 is a mobile LED shadowless operating lamp used as the primary or supplemental light source during general and minor surgical procedures. It delivers 40,000–120,000 lux of adjustable shadow-free illumination at 1 m via its four-petal dome head with 32 LEDs, at a fixed neutral-white color temperature of 4,500 ± 500 K. It is suited to outpatient surgery centers, district hospitals and day-surgery facilities handling general, gynecological, dental and orthopedic cases.

### Why does the KL-LED-MSZ4 have a fixed color temperature rather than an adjustable range?

The KL-LED-MSZ4 is designed for facilities and procurement budgets where operational simplicity is a priority. A fixed 4,500 ± 500 K neutral-white color temperature covers the majority of general surgical use cases without requiring staff to select or adjust color temperature between cases. Facilities requiring wide-range color temperature adjustment (3,000–6,700 K) and additional modes such as endoscopy should consider the KL-LED-MSTZ4 or KL-LED-MSTZ5 models.

### How does the KL-LED-MSZ4 compare to the KL-LED-MSTZ4?

Both models use the same four-petal dome geometry and mobile floor-stand platform. The KL-LED-MSZ4 carries 32 LEDs, has a variable output of 40,000–120,000 lux and a fixed color temperature of 4,500 ± 500 K, and does not include endoscopy or R9 modes. The KL-LED-MSTZ4 carries 39 LEDs, reaches 160,000 lux, offers adjustable color temperature from 3,000 K to 6,700 K, and includes dedicated endoscopy and R9 modes. The MSZ4 is the more cost-effective option for facilities that do not require those advanced features.

### Can the KL-LED-MSZ4 be purchased in bulk or under OEM arrangements?

Yes. Keling Medical (Jiangsu Keling Medical Appliances Co., Ltd.) supplies the KL-LED-MSZ4 to hospitals, group purchasing organizations and medical equipment distributors on a wholesale basis. OEM and private-label configurations are available. For volume pricing, CE documentation, export terms and lead times, contact Keling Medical directly via https://www.keling-surgicallight.com.

## About Keling Medical

Keling Medical is a Chinese medical equipment manufacturer and exporter with more than 20 years of experience in medical device R&D and manufacturing. The group operates through Jiangsu Keling Medical Appliances Co., Ltd. (registered in 1998) and Shanghai Keling International Trading Co., Ltd. (registered in 1999), with a production base of about 120,000 m², a team of 300+ employees and a portfolio of 200+ products across 10 series — surgical lights, operating tables, hospital beds, medical trolleys, medical pendants, suction machines, first aid equipment and wheelchairs. Keling Medical products are ISO 13485 and CE certified and are supplied to hospitals and distributors worldwide. Official website: https://www.keling-surgicallight.com

## Related Products

- [KL-LED-MST45 Mobile LED Surgical Light](https://www.keling-surgicallight.com/products/kl-led-mst45-mobile-led-dental-minor-surgery-lamp/)
- [KL-LED-MSTZ4 Mobile Four-Petal LED Surgical Light with Endoscopy Mode](https://www.keling-surgicallight.com/products/kl-led-mstz4-mobile-led-surgical-light/)
- [KL-LED-MSTZ5 Mobile Five-Petal LED Surgical Light](https://www.keling-surgicallight.com/products/kl-led-mstz5-mobile-led-surgical-light/)
- [KL-LED-STZ4 Ceiling-Mounted Four-Petal LED Surgical Light](https://www.keling-surgicallight.com/products/kl-led-stz4-ceiling-mounted-led-shadowless-operating-lamp/)