1. Effective space is about 120 m³ for a dispenser.
2. A tin of aerosol can last 30 days, if you program the spray interval time 15 minutes and work time for 24h/day.
3. Power supply:3V(AA/LR6 1.5V alkaline battery 4 pcs).
4. Four pieces AA/LR6 alkaline batteries can last over 180 days.
5. Size:212mm(L)*85mm(W)*88mm(H)
6. Net weight:330 grams(without the batteries and the aerosol)
7. Use 120mm refill can.

Capability:    
(1) With indicator light: when it flashes green, it will spray soon. When it flashes red,  the freshener can needs to be changed
(2) When the batteries have low power, a battery diagram will appear on the LCD screen