Usage and Coverage:
(1). SD-066  can expel the mice. 
(2).This device can be used in the following places: family, warehouse, shop, restaurant, hotel, hospital, office, machine room etc.
(3).The effective coverage is around 100 square meters. That is enough for a family.  Certainly  effectiveness will be better if more devices used.
Main Specifications:
(1).Power Voltage: AC220V/50Hz
(2).Power Consumption: less than 15W.
(3).Frequency and intermittence:
Electro-magnetic wave: 0.8Hz---8Hz   160’’ working
No.1 ultrasonic wave : 65KHz           80”  interval
No.2 ultrasonic wave: 35KHz           80”  interval
No.3 ultrasonic wave:55-100KHz        80” interval
No.4 ultrasonic wave :25-50KHz        80” interval

(5) LED night light power: 0.05W    Color  temperature:  3300-3500K