Features: Transmitter and receiver are separated, without any annoying connection cable. Wireless design Receives signals at a distance of 60m from an empty mine. Supports 3 reminding modes, you can choose vibration, ring mode or sound+vibration reminding way to alerts you to wake your kid up and guide her/him to toilet. It can remind your baby to go to the toilet regularly, you can set every 30 minutes or 60 minutes or Reminder every 90 minutes or 120 minutes. Very reliable bedwetting alarm for kid potty training. Just clip the transmitter along the edges of the underpants, then it will monitor kid pee status and send alarm information to the receiver wirelessly, easy and convenient to use. Helpful for keeping babies stay away from butt skin diseases, solving bedwetting problem of little children, and giving more care to elders with special diseases. Package Includes: 1x Transmitter 1x Receiver Specifications: Material: Plastic Size: Detail Sizes in the Picture note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.