Wireless Outdoor Doorbell, IP44 Waterproof, 300 Meter Range, Chime Kit with LED Flash, 2 Transmitters and 1 Receiver, 5 Volume Levels, 36 Melodies

【Long Range & Stronger Signal】Works within a 300-meter radius in open space; this doorbell's signal penetrates obstacles very well. You can connect the receiver anywhere you like in your home. No wireless interference issues. 【Super Easy Installation】The receiver requires no mounting or batteries; simply plug it into an electrical outlet. The transmitter can be mounted on the front door with the included screws or attached to the door with the included adhesive. 【Excellent Quality & IP44 Waterproof】This doorbell is made of non-toxic, safe ABS material. The transmitter is IP44 waterproof and suitable for outdoor use. It protects against dust, rain, and high temperatures. There is no electromagnetic radiation. CE certified. 【Energy Saving & Long Lifespan】Low power consumption, energy saving, and long-lasting use. The transmitter's battery can be used for more than 15 months. The transmitter can withstand over 100,000 clicks. [LED Indicator] Both the doorbell (transmitter) and receivers have LED indicators; if someone presses the doorbell, all devices will flash blue. 36 melodies are available, and there are 5 adjustable volume levels from 0 dB to 85 dB.