Wireless Doorbell, 1,000ft Range Loud Enough Doorbell Chime?5 Volume Levels and 52 Door Chimes With LED Flashing (Black Big Button)

UNIONOW Wireless doorbell make your more convenience ! ?Features? - Product name :UNIONOW Wireless Doorbell - Color : White - Advantage : More convenient for visitors?Work Stable - Strong wall through and stable signal, advanced intelligent technology ensures signal output.Easy to transmit signal through wooden doors, metal doors, exterior walls, stone walls and brick walls. - Weatherproof design : It can be used in rainy days, safe and durable. - Waterproof grade : Waterproof IP44(Suitable for outdoor use) - Working temperature : -4?~149? - Wireless range : Up to 1,000 ft in open area - 52 ringtones options, choose your favorite music freely. 5 volume levels including silent mode, and the volume can reach 110 DB. - The sound is loud and crisp, friendly for people with hearing disabilities at home. - Blue LED x2 Flash Indicators - 2 blue indicators flashing will be more convenient and obvious to know visitor arrival. ?Package? - Doorbell receiver X 1pcs - Transmitter X 1pcs - Sticker X 1pcs& Screws X 2pcs little screw for battery setting X1pcs - 23A 12V Alkaline battery for transmitter X 1pcs - Doorbell Instruction X 1pcs