IP44 Waterproof Wireless Outdoor Doorbell, 300 Meter Doorbell, LED Flash Chime Set, 1 Transmitter and 2 Receivers, 5 Volume Levels, 36 Melodies YMYNY

【Long Range & Stronger Signal】Works in open areas within 300 meters, this doorbell's signal penetrates obstacles very well. You can connect the receiver anywhere in your home. No radio interference. 【Super Easy Installation】The receiver requires no assembly or batteries; simply plug it into a power 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 ABS material, which is non-toxic and harmless. The transmitter is IP44 waterproof and suitable for outdoor use. Protects against dust, rain, and high temperatures. No electromagnetic radiation. CE certified. 【Energy Saving and Long Lifespan】Low power consumption, energy saving, and long lifespan. The transmitter battery can be used for more than 15 months. The transmitter can support more than 100,000 clicks. 【LED Indicator】Both the doorbell (transmitter) and receivers are equipped with LED indicators: When someone presses the doorbell, all devices flash blue. 36 melodies available, 5 adjustable volume levels from 0dB to 85dB. Features: Wide application: Suitable for all kinds of home decoration, office buildings, hotels, factories, companies. Emergency contact for the elderly, pregnant women, patients, etc. Energy saving: Low power consumption, energy-saving and environmentally friendly, the maximum power is 2W, the standby power consumption is 0.5W. How to install the doorbell: You can attach the doorbell (transmitter) to the wall or doorpost with the adhesive tapes, or mount it to a surface with the included screws. Plug the receivers into any outlet and you can use the doorbell. Technical specifications: Transmission range: 280 meters (without obstacles) Ringtones: 36 different ringtones Volume: 5 levels adjustable (0 dB ~ 85 dB) Power supply (receiver): AC 110-240 V 50/60 Hz Power supply (transmitter): 1 x 12 V 23 A battery (included) Waterproof (transmitter): IP44