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

【Long Range & Stronger Signal】Works within 300 meters in open space, the signal of this doorbell penetrates obstacles very well. You can connect the receiver anywhere you want in your home. No wireless interference issues. 【Super Easy Installation】The receiver requires no assembly or batteries, just plug it into an electrical outlet. The transmitter can be attached to the front door with the included screws or stuck to the door with the included adhesive. 【Excellent quality and IP44 waterproof】This doorbell is made of ABS material, non-toxic and harmless. The transmitter is IP44 waterproof and acceptable for outdoor use. Protects against dust, rain and high temperatures. No electromagnetic radiation. CE certified. 【Energy saving and long life】Low power consumption, energy saving and durable use. The transmitter battery can be used for more than 15 months. The transmitter can support more than 100,000 times clicking. 【LED Indicator】The doorbell (transmitter) and receivers have LED indicators, if someone presses the doorbell, all devices will flash blue light. 36 melodies available, 5 volume levels adjustable from 0 dB to 85 dB. Features: Wide application Satisfies all types of domestic decoration, official buildings, hotels, factories, commercial activities. Emergency contact for elderly, pregnant women, patients, etc. Energy saving Low power protection, energy saving and environmental protection, maximum power is 2W, standby consumption is 0.5W. How to install the doorbell: You can attach the doorbell (transmitter) to the wall or door frame with the adhesive tapes or you can attach it to a surface with the included screws. Plug the receivers into any electrical outlet you like and you can use the doorbell. Technical characteristics: 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 12V 23A battery (included) Waterproof (transmitter): IP44 Box contents: 2 x Button (transmitter) 1 x Receiver 4 x Screws 2 x 12V 23A battery for the transmitter 1 x Screwdriver 2 x Adhesive Tuban 1 x Instructions for use