Welcome Sensor, 16 Music Ir Motion Independent Sensor Store Home Welcome Door Bell Entry Alarm, with Swivel Bracket, Fully Automatic Infrared Sensing

Features:Powered by 3 AA batteries, it is energy-saving and durable in use. (This unit does not include batteries)te detection can reach to 0-6 meters, and the available temperature is 0-25 degreesly suitable for shops, warehouses, office buildings, factories, and homesification:Color: WhiteMaterial: ABS plasticSound:The first Level: WelcomeThe Second Level: Dingdong +16 music + alarm sound (adjustable)Battery: 3 AA batteries (not included)Remote Detection: 0-6 meters Applicable Temperature: 0-25℃Installation and Use Method:1. Push the battery cover on the back of the doorbell in the direction of the arrow, install 3 AA batteries (alkaline batteries are recommended) and cover the battery cover.2. Turn the doorbell switch to the voice or alarm level.3. When a guest enters, the welcome doorbell will sound what you have chosen beforeage List:1 x Welcome Sensor 2 x BaseNote:1 time the battery is installed, the product needs to be self-tested for about 15-20S, and then enter the normal working state.2itivity and volume have been set in standard state, not adjustable.3 the product has an automatic sound or abnormality, please check the battery power supply or the installation position is correct.4d directly facing the illuminating light / sunlight / reflection / direct exposure, if the ambient temperature is too high (above 30 degrees), the device will appear from far to near, which is in normal.5 the doorbell sound is weak, please replace the battery. The doorbell should be installed in a position where the direct air flow changes greatly (such as air outlet, exhaust fan, electric furnace, etc.), not installed in the sun or rain.