Features: _*High-quality material: The product is made of high-quality material, durable and wear-resistant, not easy to break, and can be used for a long time. _*Three modes optional: The bed-wetting alarm has three reminder modes, vibration only, sound only, vibration and sound alarm. _*Wireless: The bed-wetting alarm is wireless, no need to worry about the mess of wires, both the transmitter and the receiver are rechargeable. _*Easy to use: Just clip the transmitter on the edge of the underwear, it will detect your child's urination status and send anal alarm information to other receivers wirelessly, simple and easy to use. _*Widely applicable: Suitable for deep sleepers, boys, girls, nocturia patients, the elderly or people who can't take care of themselves. _Note: _1. Due to different lighting effects, the actual color may be slightly different from the image _2. Due to manual measurement, please allow 13 cm deviation __: _Battery capacity: 350mAh _Charging method: USB charging Package list: _1x Split bed-wetting alarm