1. A strong ultrasonic signal frighten animals. The animals avoid the area because of its unpleasant ultrasonic sound. The sound is activated when an animal enters the range. Thus, animals can not get used to the sound, and the repulsive effect is stronger. 2. A strong flashing scared animals. The strong flashing is activated when an animal enters the range, then the animals will be scared and give back.
3. The device has built-in low-battery detection and warning, if meet the rainy day continuously, the batteries do not have enough power, the low battery LED will flashing, then customers can use USB line connect DC socket to charge the batteries, also the device has over charge protection, it can protect batteries during over charging.
4.Two control button, one for adjusting sensitivity and distance, another for frequency control Button "FREQ" Position:
- 1: 13.5kHz-17.5kHz Repels animals such as mice, small rodents, ...
- 2: 15.5kHz-19.5kHz Repels animals such as large dogs, foxes ...
- 3: 19.5kHz-23.5kHz Repels animals such as small dogs, cat, bird ...
- 4: Strong flashing
- 5: all function working, sweep frequency from mode 1 -- mode 2 -- mode 3, and turn on strong flashing ...