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

【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 ABS material, which is non-toxic and safe. 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 and Long Lifespan】Low power consumption, energy saving, and long-lasting use. The transmitter battery can be used for more than 15 months. The transmitter can withstand more than 100,000 clicks. 【LED Indicator】The doorbell (transmitter) and receivers have LED indicators; if someone presses the doorbell, all devices will flash blue. 36 melodies available, 5 adjustable volume levels from 0 dB to 85 dB. Features: Wide Application Suitable for all types of home decor, official buildings, hotels, factories, and commercial activities. Emergency contact for the elderly, pregnant women, patients, etc. Energy Saving Low power consumption protection, energy saving and environmentally friendly; maximum power is 2W, standby power consumption is 0.5W. How to install the doorbell: You can attach the doorbell (transmitter) to the wall or door frame using the adhesive strips, or you can mount it on a surface using the included screws. Plug the receivers into any electrical outlet you like, and you can use the doorbell. Technical Specifications: Transmission Range: 280 meters (unobstructed) Ringtones: 36 different ringtones Volume: 5 adjustable levels (0 dB ~ 85 dB) Power Supply (Receiver): AC 110-240V 50/60 Hz Power Supply (Transmitter): 1 x 12V 23A battery (included) Waterproof (transmitter): IP44 Package contents: 2 x Button (transmitter) 1 x Receiver 4 x Screws 2 x 12V 23A Batteries for the transmitter 1 x Screwdriver 2 x Adhesive Tubing 1 x Instruction Manual