Efficient Bedwetting Alarm: The bedwetting alarm with portable size & 2-in-1 system designed, combine pre-urine & post-urine reminder setting, solve the trouble of child bedwetting, good helper for parent and cultivate children develop good habit and go potty independently. Waterproof Probes Design: The bedwetting alarm with built-in rechargeable batteries which is convenient to charge through USB cable, the wristband with adjustable bands which suitable for arm size, kid or adults all applicable.Waterproof probes can be wash, the alarm body is non-waterproof, can be clean by wet towel. Material: The bedwetting alarm use qualified plastics material, wear-resistant, durable performances electronic component, easy to charge by the USB cable, full charge could 120 hours durations. Sensitive Sensor: The bedwetting alarm featured with wristband & connect with high sensitive-probe, the sensor is sensitive and alarm quickly once reaching the urine wetting the probes, transfer the information and feedback through the wristband to awake child -up and go potty. Adjustable 3 Pre-set Modes: The bedwetting alarm allow you to pre-set the alarm modes, 3 adjustable modes that you can set it according to your needs, easy & convenient to set. Work Voltage:3.3-4.2V Charging:.2 hours Battery Durations:.120hours Power Supply:USB charging Colour:Orange Material:Plastic Package Contents: 1 * Bedwetting Alarm System Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.