Power：dry battery
ABS anti-aging material.
function： aromatherapy
suitable for household use.
The applicable area is 31-40 square meters
Noise：<36dB
timing :<2 hours
tank capacity :<1L
PS:This item has 3 design,
1.with light perception function
2.with remote control
3.with LCD display
above price is base on the light perception.
