1. Quick Calling: In case of an emergency, simply press the call button to send an alert message immediately 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 others in need of assistance. 5. Easy Carrying: Lightweight and compact design makes it convenient for both 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 (vibration and buzzer mode), 75±10mA (vibration mode) Standby Current: 10±5mA Receive Sensitivity: -107±2dBm Decoding: Learning Coding Waterproof Grade: IPX7 Working Temperature: -20℃ to 60℃ Button Launcher Parameters: Operating Frequency: 433.92MHz Battery Type: 1 x 23A 12V battery Battery Capacity: 80mAh (included) Emission Current: 10mA±3mA Standby Current: Less than 1uA Open Area Range: 1000m / 3280.84ft Keystrokes: 1000,000 cycles Waterproof Grade: IPX4 Working Temperature: -20℃ to 55℃ Single Key Function: Call Note: Due to different production batches, slight variations in product appearance may occur. Color: Black Material: ABS Package Contents: 1 x Receiver 1 x Button 1 x Charging Cable Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3cm.