Magicfly wireless doorbell is very easy to install, solve your problem simply.
It’s a timeless, classic design. It is easy to DIY, indoor unit and outdoor can be free matched; super power-sawing mode.
It’s a modern fashion high-tech alternative to your old-fashioned doorbell and brings a whole new level of convenience to your daily life.

Features:

• Fire-retardant materials
• Long life(Working Frequency:433MHZ?MHZ)—PCB board and IC parts are equipped with strong material, keeping long lifetime; Adopt digital coding it is more stable and can avoid interference; can use for about 15 years if pushed 15 times per day
• Can be a paging device—can allow elderly, children, immobile or bedridden patients to conveniently page or contact their loved ones or care takers;
• Practical—perfect for big house or villa, offices;
• Certifications: All products passed CE, FCC, RoHS approval.
• Waterproof—IP33 Waterproof for the Transmitter

*Technical Specifications: *

• Size :Receiver:80*27.5*87mm;Transmitter: 41*18*71mm
• Net Weight: Receiver:105g; Transmitter: 35g
• Color:White
• Receiver Working Voltage: AC 110V-220V 50Hz/60Hz Transmitter Battery 12V 23A
• Sound Volume Range: 25-110dB
• Transmitter Power Consumption: less than 12V
• Transmitter Working Voltage: no more than 12V
• Working Frequency: 315/433MHZ +/- 2MHZ
• Receiver Standby Current: less than 1.0mA
• Doorbell Type: 1 to 1 AC/DC wireless doorbell
• Lighting Mode: Ring down, constant light(Standard)/Ring down, flash/Ring down, don’t light;
• Packing size: 12*9.5*21cm
• G.W.:0.4 KG

*Package contents: *

• 2 x Transmitter
• 2 x Receivers
• 2 × 12V23A battery(10g)
• 4 x screws
• 4 x plastic rings
• 2 x double-side sticker

Return policy:
We strive to ensure complete customer satisfaction with every transaction. If you have any quality problem with the product within 90 days after purchase, you could contact us for a refund or replacement. 1-2 inches error of the measuring is a reasonable range due to different measurement methods. Pls confirm the size according to our description instead of the photos. Return by Dimensions problem is not accepted. If return for size, color, material or other reasons that not caused by quality problems, we’re sorry that customer has to charge the return shipping cost. Items must be returned in the original manufacturer’s packaging. We strongly recommend you keep your packaging for at least the first 90 days after purchase.