Doorbell Battery-Operated Waterproof Smart Home Cordless Doorbell Chime 200M Remote 23A12V Battery Button

Press the button, super learning code can freely learn to match, can be unlimited matching receiver and button. The transmitter without screw chuck design to achieve waterproof and dustproof. The transmitter USE a 23A12V alkaline battery (not included battery). The receiver uses 3*AAA alkaline batteries, no need to plug in the power supply, and the battery can be used.(not include battery). Receiving distance:300 meters in opening area. The signal will be affected by obstacles. The more obstacles, the more serious the signal loss. Receiver has 3 levels 20-80db,36 music to choose from. Transmitter size:80*44*22mm Receiver size:90*62*28mm Just plug the receiver into an electrical outlet,the push button transmitter can be stick it to the door with provided adhesive tapes. Note: The button cannot be placed on an iron door because it will interfere with the signal. connect to smart phone , please install APP IP doorbell.

• Press the button, super learning code can freely learn to match, can be unlimited matching receiver and button.
• The transmitter without screw chuck design to achieve waterproof and dustproof.
• The transmitter USE a 23A12V alkaline battery (not included battery).
• The receiver uses 3*AAA alkaline batteries, no need to plug in the power supply, and the battery can be used.(not include battery).
• Receiving distance:300 meters in opening area.