Features:Reliable Bedwetting AlarmBuilt-in smart chip and high sensitivity probe. With urine as the conductor, after the body probe is wet, the alarm device is triggered to remind the child to get up and urinate, very reliable bedwetting alarm for kids potty training.Multiple Alarm ModesThe baby bedwetting alarm supports vibration, sound or sound + vibration alarm modes, quickly awaken kids to get up and go to the toilet, or remind parents to change baby diaper in time. One-button switch 3 alarm mode, easy to use. And each mode has corresponding LED indicator.Easy and Convenient to UseJust wear the alarm to kid's arm by the soft elastic strap and adjust to a comfortable position, then fix the sensor to the child's underpants, easy and convenient to use.More Lover and More CareAdopts physical therapy, safer and more reliable, this bedwetting alarm is very suitable for boys, girls, elderly adults, deep sleeper or nocturnal enuresis people. More care, less trouble.Built-in Rechargeable BatteryThe Baby wetness alarm has built-in lithium battery that can be recharged by the provided type-C charging cable, 120H+ long standby time and convenient charging. Color: White Charging Voltage: 5V 1A Charging Time: 40-60min Effective Range: 10M-20M Transmitter Battery: 55mAh Receiver Battery: 300mAh Transmitter Size: 4 * 2.7 * 1.3cm/ 1.6 * 1.1 * 0.5in Transmitter Weight: 8g/ 0.3oz Receiver Size: 6.5 * 5 * 1.5cm/ 2.6 * 2 * 0.6in Receiver Weight: 28g/ 1oz Charging Box Size: 14 * 6.8 * 2.3cm/ 5.5 * 2.7 * 0.9in Packing List: 1 * Transmitter 1 * Receiver 1 * Charging Box 1 * USB Charging Cable 1 * Users Manual(English & Chinese)