Brand : Risingsun
Name : Wireless Dust Sensor
Model : RSS500T
Color : White
RF frequency : 433.92Mhz
1. Self-learning system
2. Transmission range up to 70 meters
3. Frequency: 433.92MHz
4. Battery: 2*1.5V AAA
5. Learning luminance suit for all environment
6. Timer function: 2H/ 4H/ 6H/ 8H/ 10H/ 12H
7. Waterproof: lP44
8. length:59.7mm; width:23.6mm; height:89.6mm