Features:1. The repeller emits sweeping ultrasonic waves, which can effectively repel mice and disgusting animals.2. Safe, non-toxic and tasteless. Ultrasound is harmless to the human body.3. Suitable for families, canteens, warehouses, hotels, farms, etc.4. Also suitable for cars. Avoid damage to the engine, wheels or interior of the vehicle by the mouse.5. Easy to install. Specifications:Material: ABSShape: squareRated power: 3WRated voltage: 6VRated frequency: 12-25K (HZ)Power supply mode: AA battery *4 (NOT INCLUDED)Usage:1. Remove the back cover, then put 4 AA batteries into the box. Please note that the positive and negative polarity of the dry battery cannot be wrong, and the elastic spring end of the box is negative.2. Pull the switch on the edge of the box to ON state, that is, the mousetrap is in working state.3. Regular work signalThe signal frequency from 0 seconds to 0:50 is 12.5KHZ.The frequency of the signal from 1:40 seconds to 2:30 is 6.5KHZ.3:20 seconds to 4:10 to send signals at a frequency of 12.5KHZ.From 6 to 6:50, the signal is sent at a frequency of 6.5KHZ.Package Inclulded:1/2x mouse repeller (NOT INCLUDED battery)