1. Receiver battery: AAAx1 (not included), transmitter battery: CR2032*1
2. Easy to carry and use
3. Adjust freely within the range of 0-3 meters to prevent items from entering
4. Good quality and long service life
5. Receiver size: 60x36x15mm, transmitter size: about 25x7mm
2. Easy to carry and use
3. Adjust freely within the range of 0-3 meters to prevent items from entering
4. Good quality and long service life
5. Receiver size: 60x36x15mm, transmitter size: about 25x7mm