Features: Waterproof design, suitable for indoor and outdoor. The doorbell can use in office,home, hospital,factory,restaurant or any where you need it. 300 meter receiving distance (In the open area),Stable quality...
Features: 1.The button supports up to 20PCS, and the receiver supports up to 100pcs. 2.The transmitter without screw chuck design to achieve waterproof and dustproof. 3.Eye-catching backlight flashes when someone...
Features: 1.The button supports up to 20PCS, and the receiver supports up to 100pcs. 2.If multiple buttons are paired with one or more receivers in the same system, each button...
Features: 1. First choose the music you want to use. 2. Press and hold the receiver's music button until the receiver rings. 3. Press the transmitter, the receiver rings again,...