Wireless Doorbell with Self-Powered Smart Technology and Long Distance Coverage BOLIDS enabling comfortable use with the

enabling comfortable use with the freedom to place your palm on the screen

High Resolution Support: Enjoy 4K 30Hz resolution for crystal-clear display output

All-round Protection: This case provides adequate protection against normal scratches

offering warm white

Safe and Reliable: Output short circuit protection

Wireless Doorbell with Self-Powered Smart Technology and Long Distance Coverage BOLIDS enabling comfortable use with theNo Battery Required: Buttons generate electricity by themselves, eliminating the need for batteries. Long Distance Coverage: With a penetration of 150 meters, it provides reliable signal transmission without obstacles. Digital Circuit Design: Multiple sets can be used without crosstalk, ensuring interference free operation. Customizable Ringtone: Enjoy a choice of 60 music ringtones for personalized alerts. Adjustable Volume: 5 levels of volume