Specifications: 
Size: 85mm long X 95mm wide X 215mm high
Rated voltage: 4.5 volts (3 AA alkaline batteries)
For 100-foot space
Installed above 180cm height, can increase the effective range of atomization effect
Each spray volume is about 0.1 ml, about 100 square feet
Freely to set 24 hours / operation time, and set to spray automatically every 1- 60 minutes