Fangrui Product Details Wireless Bedwetting Alarm: Transmitter And Receiver Are Separated Without Annoying Connecting Wire. Parents Can Place The Receiver Next To The Pillow Or On A Bedside Table Or Monitor Children's Pee Status From Another Room, Which Is More Flexible To Use. Multiple Reminder Options: Support 3 Reminder Modes, You Can Choose Vibration, Sound Or Sound + Vibration Reminder Method To Alert You, Wake Up Your Child And Guide Them To The Toilet. A Very Reliable Bedwetting Alarm For Potty Training Children. Easy And Convenient To Use: Just Attach The Transmitter To The Edge Of The Underwear, Then It Monitors Children's Pee Status And Sends Alarm Information Wirelessly To The Receiver, Easy And Convenient To Use. More Love And More Care For Bedwetting: This Bedwetting Alarm Is Helpful In Keeping Babies Away From Butt Skin Diseases, Solving Young Children's Bedwetting, And Better Caring For Elderly People With Diseases Special. Charging Box And Storage Box: Both The Transmitter And Receiver Have A Built-in Rechargeable Lithium Battery And Can Be Charged Simultaneously Via The Charging Box. When Not Charged, The Box Can Be Used As A Storage Box To Easily Store And Transport The Bedwetting Alarm.