1---Wireless and Rechargeable: No need to worry about wires getting tangled or batteries running out with this Wireless Bedwetting Alarm. The transmitter and receiver have built-in rechargeable lithium batteries. This makes the alarm more convenient and safer for your child. 2---Better Sleep: This Bed Wetting Alarm will help your child stay dry and comfortable throughout the night. It has a wireless sensor that clips to the underwear and a wireless receiver that sounds or vibrates when wetness is detected. This wireless bedwetting alarm is ideal for children, elders, and patients who need daily care and want to overcome bedwetting problems. 3---Easy to Operate: With the Bed Wetting Alarm, you can nap with confidence. Just clip the urine sensor along the edge of the underwear and wear the watch receiver on your hand. The alarm will alert you when it detects wetness, so you can change quickly and easily. It is a convenient and easy-to-operate solution for children who wet the bed. 4---Smart and Convenient: This Wireless Pee Alarm Watch for kids lets you select 1 of the 4 modes: 30min, 60min, 90min, or 120min. It guides your child to go to the bathroom at the right time and makes potty training more fun. No more wet nights and messy sheets! 5---3 Reminder Methods: This Bedwetting Alarm For Children has vibration, voice, and vibration and voice modes to help you improve your bedwetting habit. You can choose the most suitable 1 according to your preference and sleeping habits. Material: ABS Product size: 5.5*4.5*2.5cm Lithium battery: 300mah Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!