Features:Wirele Bedwetting AlarmTransmitter and receiver are separated, without any annoying connection cable. Parents can place the receiver with wristband next to the pillow, on the bed-side table, or wear it on the wrist to monitor children's pee status from another room, more flexible.Easy and Convenient to UseJust clip the transmitter along the edge of the underpants, then it will monitor kids' pee status and send alarm information to the receiver wirelely, easy and convenient to use.3 Reminding ModesSupports 3 reminding modes, you can chose vibration, sound or sound + vibration reminding way to alert you to wake your kid up and guide her/him to toilet. A very reliable bedwetting alarm for kids potty training.Supports Timer FunctionFeaturing 30min/60min/90min/2H timer reminding function, this bedwetting alarm is more helpful for keeping babies stay away from butt skin diseases, solving bedwetting problem of little children, and more convenient to take good care of elders with special diseases.Built-in Rechargeable BatteryThe transmitter and receiver both have built-in rechargeable lithium battery, and can be charged by the included USB charging cable. 5V 1A charging voltage and magnetic charging port design make it convenient to be charged by power bank, laptop, car charger or USB power adapter.Specifications:Color: WhiteCharging Voltage: 5V 1ACharging Time: 2H +Effective Range: 40M(straight-line distance ), 10M(through-wall distance )Transmitter Battery: 55mAhReceiver Battery: 300mAhTransmitter Size: 5.3 * 3 * 1.5cm/ 2.1 * 1.2 * 0.6inTransmitter Weight: 10g/ 0.4ozReceiver Size: 4.5 * 5.5 * 1.5cm/ 1.8 * 2.2 * 0.6inReceiver Weight: 25g/ 0.9ozPacking List:1 * Transmitter1 * Receiver1 * USB Charging Cable1 * Users Manual(English)