Owl Wireless Door Bell 300M 1 Transmitter 1 Receivers -Black

Feature:

• LONG WIRELESS RANGE- Adopt FSK+FHSS wireless transmission technology to avoid other wireless frequency signal interference. the wireless range from the remote push button to the plug-in receiver is up to 1000 feet(the actual range will vary depending on the local terrain); the wireless range can go through the doors/walls/floors/etc.
• 35 CLASSIC MELODIES OPTIONAL- Up to 35 classic melodies optional,5 levels volume adjustable, and LED flash indicator. the kit not only can be used as a doorbell but also as a panic button for the elders, to quiet the classroom for the teacher, train your pets, etc.
• DIY DESIGN, SUPER EASY TO SET UP- Plug the receiver into a socket and fix the remote push button anywhere you want with the included accessories(double-sided adhesive tape). the remote push button is rated IP55 weatherproof and acceptable for outdoor use.
• FULLY EXPANDABLE SYSTEM- the kit includes 1 plug-in receiver and 1 remote push button. The kit also can work with HTZSAFE solar wireless driveway alarm systems; expandable up to 32 sensors and unlimited receivers for complete coverage of your property. 
• SUPERIOR CHIME SELECTION- 35 melodies optional, match different melodies with different sensors. Such as the melody for the front door is “Ding Dong”, and for the backyard is “Jingle Bells”