KERUI M5 Wireless Motion Sensor Doorbell with 32 Songs for Business and Home

About this item

• ➤ This alert chime alarm has two power supplies: three AAA batteries(NOT included) and US standard adapter(Included), to use power adapter provides lasting stable power supply, you can also put in AAA batteries to make the chime alarm work without position limitation or in case of power failure.
• ➤ This motion sensor door chime for business has 12-month warranty, technical support and friendly responsive customer service within 24 hours. Any questions, welcome to contact us by here email.
• ➤ This motion alarm welcome is simple and user-friendly, designed with mode, music, volume button, power switch and power port, turn on power switch, switch mode button to the mode you want, adjust volume with volume button(4 levels), change music with music button(32 musics selectable) based on your need. Please note that music button only works in music mode; volume can not adjusted in alarm mode.
• ➤ This wireless pir doorbell chime alarm has infrared detector, built-in speaker and red flashing light, it has wide probe range of 15° vertical detection and 110° horizontal detection angle, when some one approaches pir detection range, sound is quickly sent out from this small chime alarm. Suitable for many places, mount on the entry door of office, shop, restaurant etc. in greeting voice/music sound; main door of house, shed etc. in alarming noise.
• This entry alert chime for commercial use comes with all the necessary installation hardware. You can easily mount it based on your preference. Keep in mind that this indoor chime is not weather-proof, so avoid installing it in areas prone to rain, direct sunlight, strong magnetic fields, extreme temperatures, or other interference.