300M Door Bell Waterproof Battery Operated Loud Chime Doorbell Electronic Waterproof Houseware Doorbell

With good penetration and long receiving distance up to 300m(opening space). Easy to install and no wiring required. Easily mount on wall with double-sided sicker or screws. Built-in 55 ring tones optional and 5 volume level adjustable from 0 to 110dB The transmitter is IP55 waterproof. Perfect for office building, hotel, home, hospital, and more. Specification: Receiving Distance: up to 300M(opening space) Volume: 0-110dB, 5 level adjustable Ring Tone: 55 ring tones Frequency: 433.92MHz±280KHz Power Supply: - Transmitter: 1* 12V 23A Battery(NOT INCLUDED) - Receiver: 3pcs AAA battery(NOT INCLUDED) Transmitter Size: 35x85x15mm Receiver Size: 82x82x31mm NOTE: 1. Dont mount this transmitter on a metal door, which will weaken the signal distance. 2. The receiver should be as far away as possible from electrical appliances with large electromagnetic radiation. 3. The actual signal receiving distance will be affected by use environment(TV, computer, stereo, etc.). Package Includes: 1 x Transmitter 1 x Receiver 1 x Pack of Mounting Accessories 1 x User Manual

• With good penetration and long receiving distance up to 300m(opening space).
• Easy to install and no wiring required.
• Easily mount on wall with double-sided sicker or screws.
• Built-in 55 ring tones optional and 5 volume level adjustable from 0 to 110dB The transmitter is IP55 waterproof.
• Perfect for office building, hotel, home, hospital, and more.