Wireless caregiver pager easily installed with waterproof IP55 Plug-in and play.<br><br> <b>Features</b><br> Modern & stylish design<br> Easy installation<br> Approx. 500+feet operation range (open air)<br> 5 Levels of volume<br> IP55 Waterproof<br> 55 Ringtones. The default ringtone is “Ding-Dong”.<br> Low power consumption<br> <b>Specifications</b><br> Working voltage of Receiver:110-260V<br> Battery in Transmitter:12V 23A Alkaline battery<br> Working distance:500+ft In open area.<br> <b>Package</b><br> 1 x Receiver<br> 1 x Transmitters<br> 1 x Double Sided Adhesive Tapes<br> 1 x User Manual<br> 1 x 12V 23A Batteries<br> <b>NOTE:</b><br> The transmitter requires a 23A 12V Alkaline battery which is already included and not rechargeable. The Receiver plugs into a wall outlet and requires no battery.