1. Waterproof Grade: IPX4
2. Operating temperature: -20-60 Celsius degree
3. Wireless Transmission Module: 433 MHz
4. Power Supply: DC5V 1A
5. Red Warning Light Luminance: 85 LM
6. Battery Capacity: 2200mAh
7. Endurance Time: Work for about 7 hours under constant bright
8. Remote Control Charging Time: About 1-2 hours. In the process of charging the red light is on and the green light is on after full.