Products Advantages:

* Push button: IP44 Waterproof design
* Volume: 4 levels adjustable from 50 db to 80db
* Distance: The wireless distance achieve 100m, better materials keep stable transmitting range
* Stability: Guarantee quality. Products adopt excellent inner materials that keeps itself from getting higher temperature & interference
* Practical: Easy installation, convenient, with double-side stickers at the back of the remote button, also you can use screw to fix it. It is easy to DIY. Indoor unit and outdoor unit can be freely matched. Super power-saving mode

Specification:

* Working Frequency: 315MHz±2MHz
* Power Supply (Receiver): 3X AAA 1.5V 12V Battery (not included)
* Transmitter Battery: 12V 23A (included)
* Transmitter Power Consumption: * Indicator light: LED
* Sound Volume Range: 50-80dB
* Sound Options: 48 stereo music
* Size(L x W x H): Receiver: 85x75x22mm; Transmitter: 75x45x20mm
* Net Weight: Receiver: 105g, Transmitter: 35g
* Super receive suitable for household, office, hotel, building, dormitory, factory, construction site or any services space

• Wireless doorbell kit, install battery-operated transmitter outside using adhesive mounting tape or screws, receiver chime unit plugs into the wall; maximum effective range 325 ft (100 m)
• Use as a residential or business doorbell, or home paging device; select from 38 tunes, from the standard "ding dong" to any several well-known and fun melodies; volume adjusts to 4 settings
• Blue LED flashes when someone is at the door; a specially designed coding system ensures no interference to or from any nearby wireless devices; super-efficient eco power management reduces power consumption
• Smart design and simple controls are designed for easy installation and operation; mounting the transmitter takes only a minute.
• Portable Doorbell - Works on batteries, so you can take it with you anywhere in the house, even to the shower. You can also hang it on the wall if you want - Batteries and screws are not included.

Wireless doorbell kit, install battery-operated transmitter outside using adhesive mounting tape or screws, receiver chime unit plugs into the wall; maximum effective range 325 ft (100 m)Liger