<b> The RETEKESS TH003 is a stand alone personal paging system and includes 1 call Buttons and 1 caregiver pager. </b><br> <br> <b> When pressed, the nurse call button send a wireless signal to the pager, alerting the caregiver that assistance is required. This simple, streamlined system allows you to eliminate in-room alarm noise and with a range of up to 492 ft, caregivers have the freedom they need.</b><br> <br> <br> <b> Lanyard design</b><br> <br> The call buttons can be worn about the neck using the provided lanyard strap or wall-mounted using the provided plastic cradle for easy access.<br> <b> Waterproof call button</b><br> <br> The call button adopts waterproof design, which is very suitable for use in the bathroom.<br> </b><br> <br>Power supply</b><br> <br> The receiver adopts plug and play design, there is no need to worry about power issues; the transmitter has a built-in 2pcs 3V CR2016 battery, and it can be used for up to 6 months.<br><br> <b> Specification</b><br> <br> <b>Retekess TH003 Receiver </b><br> Modulation mode: ASK (AM) <br> Working chip: learning code <br> Receiver Size: 3.1*3.1*1.2 in <br> Chime recever weight: 70g <br> Volume:0-110dB <br> Ring tones: 52 <br> Working distance:150m in open air <br> Receiver Power supply: AC 110-220V <br> <b>Retekess TD009 Call Button </b><br> Small, low current draw<br> Modulation mode: ASK (AM)<br> Working chip: learning code<br> Power: 12V23A battery (included)<br> Emission distance: 150 meters (outside)<br> Working temperature: -20 Celsius to 55 Celsius<br> Size: 66 x 66 x 27mm / 2.6 x 2.6 x 1 in<br> Weight: 42g / 1.7oz<br> One key: Call<br> <b>Package Includes:</b><br> 1 x Retekess TH003 receiver <br> 1 x Retekess TD009Call Button<br> 1 x String<br> 1 x English manual<br>