Description
HM-E303R Next-Generation Smart Emergency Downlight: Performance Meets Safety
ThisHM-E303R IP66 Waterproof Emergency Downlight is engineered for excellence. It serves as a high-quality daily lighting fixture with a CRI of 90, while providing an automated safety net during power outages. Its intelligent control system and robust battery technology make it a top choice for commercial, residential, and industrial safety projects.
Core Advantages:
- Dual-Purpose Operation: Seamlessly switches between Lighting mode(for daily use) and Emergency mode (for safety backup).
- Smart Remote Customization: Use the included 4.33MHz remoteto smoothly adjust brightness from 20% to 100% and tune the color temperature from warm 2700K to cool 6500K.
- Interchangeable Lens System:
- Corridor Lens (30° X 70°): Perfect for directing light down long hallways and escape routes.
- Round Lens (145°): Provides ultra-wide area coverage for large rooms.
- Industrial-Grade Battery Safety: Powered by a LiFePO4 26650 4000mAh battery, offering superior thermal stability and over 3 hours of emergency runtime.
- Versatile Mounting Options: Includes accessories for both Recessed installation(Φ120mm cut-out) and Surface mounting (Round or Square fittings).
- Comprehensive Testing: Supports Self-test, Manual test, and Remote testingto ensure constant readiness in compliance with safety regulations.
Technical Specifications:
| Model | HM-E303R |
| LED Power | 5W |
| Input Voltage | AC85-265V,50/60Hz |
| Color Turning | 2700K-6500K |
| CRI | >90 |
| Dimming | 20-100% |
| Battery Type | LiFePO4 3.2V 4000mAh |
| Emergency Runtime: | ≥ 180 Minutes (3 Hours) |
| Lumens | 100-600lm (Smoothly Adjustable) |
| Installation | Recessed/Surface Mounting |
| Dimenstions | Φ135 x 45mm (Cut-out: Φ120mm) |
| Working Mode | Emergency+Lighting |
| Charging Time | 24hours |
| Warranty | 3Years |
| Material | PC |
| Control | Remote |
| Protection | IP66, Class II |
| Warranty | 4years |
| Certificate | CE Rohs |
| Stanard | EN60598-2-22 |







HM-E303R IP66 Waterproof LED Emergency Downlight RFQ:
1.Q: How does the interchangeable lens feature improve building safety?
A: The unit allows you to switch between a 30° x 70° Corridor lens and a 145° Round lens. This means you can optimize the light distribution specifically for narrow hallways to prevent glare and maximize throw distance, or use the wide lens for open areas to ensure total visibility during an evacuation.
2.Q: Can this downlight be integrated into a smart home or commercial dimming setup?
A: Yes, it features 20-100% smooth dimming and tunable CCT controlled via a dedicated 4.33MHz remote controller. This allows users to set the perfect ambiance for daily use while knowing the light will automatically jump to emergency output if power is lost.
3.Q: Is the IP66 rating sufficient for outdoor or wet-room use?
A: Absolutely. The IP66 rating signifies that the fixture is protected against powerful water jets and is completely dust-tight. Combined with its durable PC material construction, it is ideal for parking garages, bathrooms, tunnels, and outdoor soffits.














