ขาย Daytech Motion Detector Business Entry Alert Door Chime Welcome Doorbell Bell Alarm for Home Security Store Protection( ราคาที่ดีที่สุด

【MULTIPLE LANGUAGE VOICE】14 unique ringtone and multiple greeting with 11 different languages allow your wireless door and window entry alert system to give you more choice by pressing “music” key, 4 levels volume adjustment((High/ Middle/Low/Mute) from 0-80dB by pressing receiver's second button to set. 【WORKING RANGE】With the 2-7m detection range of motion sensor, this welcome door chime plays an important role in informing you of intruder or visitor. It can be used as anti-theft tool when select the music to Siren Alarm to scare the thief and safeguard your home property. Also this infrared motion sensor door bell can be use as induction visitor welcome doorbell, greeting to visitors in store/shop/home/house/office/restaurant/hotel and many other indoor places. 【EASY INSTALLATION】No hub need and installation hassles. Use as a welcome doorbell chime at daytime and a burglar alarm system at night. Adjust sensing angle of motion sensor to avoid false alarm detection. 【Two Charging Methods】Powered by 3 AAA batteries (Not Included) or USB cable (Not included). Perfect indoor motion alarm for business Even at night, the infrared detector can also detect movement without false alarms. 【AFTER-SALES SERVICE】：Please read the USER MANUAL carefully before using. We offer a 30 Days 100% Satisfaction Guarantee, a 2-year warranty and friendly customer service. Any questions, welcome to contact us by amazon email at any time (with the order number), our Customer Service is ready to respond within 24 hours.