Yingrunjia Remote Control Doorbell For Home Use By Intelligent Music Pager Wireless Doorbell Eurocode Features: wireless doorbell penetration Strong sound 200m ringtone coverage The is clear and beautiful, not harsh Choose from 58 kinds of music . No wiring is required for wiring installation. The button and receiver are connected wirelessly. The wiring installation is convenient and labor-saving The ringing tone of standard interface is clear and not harsh. The ringing tone is as clear and pleasant as the sound. There is no harsh noise Good doorbell will ring when you press it steadily. Customized RF wireless solution. Strong performance of copper spring antenna through the wall. The 00 family will ring at 58 kinds of ringtones The second choice of ringtones is not tangled. 58 kinds of different music+ding dong are built in. Don't let a ding dong sound pollute your ears. Every change of music can add a little color to your life There are four volume , and can be heard by Baoma. The baby does not wake up. The baby sleeps strongly. There are three of commonly recommended volume for families. The four are specially designed for elderly parents Product Description: size：7.6*4.5*2CM / 6.5*9*7CM Package Contents: Instructions * 1 Double sided adhesive tape * 1 Screw pack * 1 Door * 1 Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thanks! Due to manual measurement, please allow slight measurement deviation