Removable Rechargeable Ultrasonic Bat-proof Mouse Repellent 1. Rated voltage: 3.7V 2. Rated power: 1-3W 3. Rechargeable lithium battery is used, which can be used on the road of travel and outdoor climbing. It can be placed anywhere without space restrictions 4. 950 mAh lithium battery is used to provide lasting power for the product and better drive away smart rats 5. Sound waves can be adjusted to produce variable frequency ultrasonic waves. Dual-channel dual speakers are used to more effectively stimulate the nerves and auditory systems of rats, bats and other pests within the control range to make them feel uncomfortable and flee 6. Using ultrasonic adjustable devices, it can effectively stimulate the brain nerves of rats and bats, and reduce the number of rats and bats from the root 7. Rechargeable lithium battery is used. Fully charge the battery before using it. Insert the USB cable into the charging port to charge. The red light is on when the product is charging, and the green light is on when it is fully charged 8. Size: 96x55x33mm