1. Quick Calling: In case of emergency, press the call button to immediately send an alert message to the receiver. 2. Stable Signal: Offers a working range of up to 1000 meters in open areas, ensuring reliable communication. 3. Alerting Mode: Features three alert modes – flashing and vibration, flashing and buzzer, or flashing with both vibration and buzzer. 4. Extensive Use: Suitable for use in homes, nursing homes, hospitals, and similar environments; ideal for elderly individuals, patients, and more. 5. Easy Carrying: Lightweight and compact design makes it convenient for indoor and outdoor use. Item Type: Caregiver Pager Watch Receiver Parameters: Operating Frequency: 433.92MHz Charging Voltage: DC5V Working Voltage: DC3.7V Lithium Battery Model: 602030 Battery Capacity: 300mAh (included) Working Current: 100±20mA in vibration and buzzer mode, 75±10mA in vibration mode Standby Current: 10±5mA Receive Sensitivity: -107±2dBm Decoding: Learning Coding Waterproof Rating: IPX7 Working Temperature: -20℃ to 60℃ Button Launcher Parameters: Operating Frequency: 433.92MHz Battery Type: 1 x 23A 12V battery (included) Battery Capacity: 80mAh Emission Current: 10mA±3mA Standby Current: Less than 1uA Open Area Range: 1000m / 3280.84ft Keystrokes: 1000,000 cycles Waterproof Rating: IPX4 Working Temperature: -20℃ to 55℃ Button Function: Call Note: Due to different production batches, slight variations may occur. Color: Black Material: ABS Package Contents: 1 x Receiver 1 x Button 1 x Charging Cable Note: Light reflection and display differences may cause slight color variation between the image and actual item. Measurement error allowance is +/- 1-3cm.