[Wireless Rechargeable]: No need to wry about wires getting tangled batteries running out with this Wireless Bedwetting Alarm. The transmitter receiver have built-in rechargeable lithium batteries. This makes the alarm me convenient safer f your child. [Better Sleep]: This Bed Wetting Alarm will help your child stay dry comftable throughout the night. It has a wireless sens that clips to the underwear a wireless receiver that sounds vibrates when wetness is detected. This wireless bedwetting alarm is ideal f children, elders, patients who need daily care want to overcome bedwetting problems. [Easy to Operate]: With the Bed Wetting Alarm, you can nap with confidence. Just clip the urine sens along the edge of the underwear wear the watch receiver on your h. The alarm will alert you when it detects wetness, so you can change quickly easily. It is a convenient easy-to-operate solution f children who wet the bed. [Smart Convenient]: This Wireless Pee Alarm Watch f kids lets you select 1 of the 4 modes: 30min, 60min, 90min, 120min. It guides your child to go to the bathroom at the right time makes potty training me fun. No me wet nights messy sheets [3 Reminder Methods]: This Bedwetting Alarm F Children has vibration, voice, vibration voice modes to help you improve your bedwetting habit. You can choose the most suitable 1 accding to your preference sleeping habits.