ขาย Cod กริ่งประตูไร้สายควบคุมระยะไกล 16 Melodies ราคาที่ดีที่สุด

New Home Security Digital Wireless Doorbell Door Bell Remote Control Smart looking housing with flash light. Easy to install, with double side sticker on the back. Working range: 50 meters 36 music tunes for you to choose Wireless easy mounting design never affects your inner decoration and can be placed at any location. Energy saving and the battery inside the button is durable up to one year(20 presses per day) Ideal for homes, offices, guest rooms, hotels, hospitals, etc. Alternatively, it can be used as a message paging alarm for the patient or babies. Delicate design shows your special taste. Intelligent flash light design brings convenience to the hearing handicapped. Ultra-long distance represents the technology of surpassing obstacles. Easy to install, no wiring needed. Door bell battery: 2 x AA batteries (not included) Remote button battery: 1 x 12V 23A battery (included) Door bell size: 105mm x 75mm Remote button size: 75mm x 43mm Package content: 1 x Transmitter 1 x Receiver 1 x Battery Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.