1、Clear Two Way Voice Communication: Enjoy crystal clear audio during conversations with the two way voice feature, making communication effortless. 2、Remote Control Function: Control your doorbell remotely through a mobile app, enabling you to view, listen, and even unlock your door for enhanced convenience and home security. 3、Waterproof Design: With a rigorous waterproof testing, this doorbell can withstand outdoor elements, so you don't need to worry about rain or moisture damaging it. 4、Long Standby: Thanks to its long lasting battery, this doorbell can stay on standby for extended periods, reducing the need for frequent charging. 5、Easy Installation: The plug and play feature ensures a hassle free setup, allowing you to start using the doorbell in no time. Item Type: Wireless Intercom Doorbells Material: ABS Size: Approx. 14x7x3cm/5.51x2.76x1.18in Battery: 103040 1200mAh polymer lithium battery 1 x External Unit 1 x Internal Unit 1 x Charging Cable 1 x Screwdriver 1 x Instruction Manual 2 x Wall Adhesive