Oval design, elegant and generous. Detection Alert Function( Optional) Application: homes, villas, schools, companies, hospitals and other places, used as wireless doorbells or call reminders.

IP Rated:IP66 Waterproof Wireless Range:400M Long transmission distance (measured city square 110 meters, river 400 meters) Power Supply : AC power for plug ,CR2032 Battery for button Up to 3-5 years battery life (10 times per day).

Ringtons:48 ringtons Easy to select ringtone with the forward and back button Volume:5 stages of adjustable.

85-97DBLoud and melodious ringtone is made over the metal loudspeaker Suitable for tall villas or heavy anti-theft doors.

Pairing way : 1 receiver +1 button/2 buttons , 1 receiver can pair with 32 buttons , 1 button can pair unlimited receivers.

Light-weight push button, can be installed in the mounting bracket or be used as call button with a lanyard (lanyard is optional).

Push button is waterproof, dustproof and low temperature resistant, suitable for outdoor use, no worry rain and snow weather.

Advanced wireless technology. Low power consumption.