Smart Intelligent Welcome Doorbell Infrared Sensor Wireless Door Bell Chime Store Office Hotel

Label:Yes Material:ABS Package:1pc Welcome Doorbell Power supply mode Battery type: 3*AAA batteries or Power cord supply (battery and power cord not included) Color:black,white Size:55*30*79MM(2.17*1.18*3.11in) Features: 1) Humanized design, simple installation, no need for professional installation, ready to install and use 2) Infrared sensor, available day and night, regardless of day or night 3) There are 20 voices to choose from in the regular mode, including welcome voices from many countries. 4) Recording mode: You can record the sound you need or play it by voice. 5) The volume is adjustable in three levels. Adjust the sound to suit your needs according to your location. 6) High sensitivity, sensing distance 2-7 meters. Sensing range can be adjusted freely 7) Dual power supply, available battery/power supply (battery and power cord not included) 8) Bracket activity range: 360° free rotation without dead ends