Item Type: Patient Pager System <br>Material: ABS <br>Receiver Parameter: <br>Operating Frequency: 433.92MHz <br>Reception Sensitivity: Minus 107±2dBm <br>Decoding: Study Code <br>Waterproof Class: IPX4 <br>Operating Temperature: Minus 20℃ to 60℃ <br>Button Transmitter Parameter: <br>Operating Frequency: 433.92MHz <br>Battery Type: Alkaline Battery <br>Battery Model: 12V23A <br>Battery Capacity: 60mAh (Battery Included) <br>Transmitting Current: 10mA±3mA <br>Standby Current: <1uA <br>Open Distance: >800 Meters / 875yd <br>Keys Life: 1,000,000 Times <br>Waterproof Class: IPX4 <br>Operating Temperature: Minus 20℃ to 55℃ <br>Single Key: Call1、Transmitter and Receiver: This patient pager system comes with 1 transmitter and 1 receiver, ideal for elderly, seniors, patients, disabled. <br>2、Easy to Use: This wireless calling system can be easily applied, just plug the receiver into an electrical outlet. <br>3、Adjustable Volume: This pager call system provides 31 types of ringtones and 4 adjustable volume levels, meeting the needs of users. <br>4、LED Light: This caregiver pager supports LED flashing light. Adopts IPX4 waterproof and up to 875 yards effective distance in open area. <br>5、Wide Application: This wireless call button with advanced chip is perfect for home, villa, patient, pregnant women, hospital, health club, and office.1 x Transmitter<p>1 x Receiver</p><p>1 x User Manual</p>