Features: Wireless Bedwetting Alarm: Transmitter and receiver are separated, without any annoying connection cable. Parents can place the receiver next to the pillow, on a bed-side table, or monitor childrens pee status from another room, more flexible to use.Multiple Reminding Ways: Supports 3 reminding modes, you can chose vibration, sound or sound + vibration reminding way to alert you to wake your kid up and guide her/ to toilet. A very reliable bedwetting alarm for kids potty training.Easy and Convenient to Use: Just clip the transmitter along the edge of the underpants, then it monitor kids pee status and send alarm information to the receiver wirelessly, easy and convenient to use.More Love & More Care to Bedwetters: This bedwetting alarm is helpful for keeping babies from butt skin diseases, solving bedwetting problem of little children, and giving more care to elders with special diseases.Charging Box & Storage Box: The transmitter and receiver both have built-in rechargeable lithium battery, and can be by the charging box at the same time. When not charging, can work as a storage box for storing and carrying the bedwetting alarm conveniently.Specifications:Charging Voltage: 5V 1ACharging Time: 40-60minEffective Range: 10-20MTransmitter Battery: 55mAhReceiver Battery: 300mAhTransmitter Size: 4 x 2.7 x 1.3cm/ 1.6 x 1.1 x 0.5inReceiver Size: 6.5 x 5 x 1.5cm/ 2.6 x 2 x 0.6inCharging Box Size: 14 x 6.8 x 2.3cm/ 5.5 x 2.7 x 0.9inColor: WhiteMaterial: plasticPackage Contents:1 x Transmitter1 x Receiver1 x Charging Box1 x USB Charging Cable1 x Users Manual(English & Chinese)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.