All in One Welcome and Chime Multi-Languages Smart Wireless Portable Doorbell with Wireless Infrared Remote

All in one Welcome Chime & Alarm

●Size: 53*61*92mm

● 7 different languages of welcome chime available

●  Support to control by wireless infrared remote

● External USB-5V DC or rechargeable lithium battery

●4 levels volume adjustable

●Low battery remind