This LED sky panel light is designed to use for classrooms, hospitals, libraries, offices, training rooms, shopping markets, etc.

Specifications
Input Voltage: 200-240V AC
Watt: 40W
Lumen: 3200lm
Frequency: 50Hz
Power Factor: > 0.95 
IP Rating: IP20
Impact Test: IK08
Surge Protection: 2KV
CRI: Ra >80
SDCM: < 6
THD: < 15
Beam Angle: 120° 
Driver Efficiency: > 92%
Operating Temperature: -20 ~ 40°C
Lifetime: 50,000 hours
TM21: L80B10 > 50,000H
Thermal Conductivity: 226 W/m·K
Housing: Aluminium & Iron
Functions: ZigBee, PWM, DALI, 0/1~10V, Micro-wave
Warranty: 2 years