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

【Long Range and Stronger Signal】Works within 300 meters in open spaces, the signal of this doorbell penetrates obstacles very well. You can connect the receiver anywhere you want in the house. No worries about wireless interference. 【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 provided screws or glued 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 suitable for outdoor use. It protects against dust, rain, and high temperatures. No electromagnetic radiation. CE certified. 【Energy Saving and Long Life】Low power consumption, energy saving and long life. The transmitter battery can be used for more than 15 months. The transmitter can withstand more than 100,000 clicks. 【LED Indicator】Both the doorbell (transmitter) and the receivers are equipped with LED indicators; if someone presses the doorbell, all devices will emit a flashing blue light. 36 melodies available, 5 adjustable volume levels from 0 dB to 85 dB. Features: Wide application Suitable for all kinds of home furnishings, official buildings, hotels, factories, commercial businesses. Emergency contact for the elderly, pregnant women, patients, etc. Energy saving Low power consumption, energy saving and environmental protection, the maximum power is 2 W, standby power consumption is 0.5 W. How to install the doorbell: You can fix the doorbell (transmitter) to the wall or door frame with the adhesive tapes, or you can fix it on a surface with the included screws. Plug the receivers into any desired electrical outlet and use the doorbell. Technical specifications: Transmission Range: 280 meters (without obstacles) Ringtones: 36 different ringtones Volume: 5 adjustable levels (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 Package contents: 2 buttons (transmitter) 1 receiver 4 screws 2 x 12 V 23 A batteries for the transmitter 1 screwdriver 2 adhesive tapes 1 user manual