Feature: 1. One Click Emergency Button: If your family encounters an emergency, just press the call button, and the alarm information will be sent to the watch immediately. 2. High Signal Stability: The wireless caregiver pager has a working range of 1000m, ensuring that you will not lose any call information, and the receiving sensitivity of the watch receiver is ‑107±2dBm. 3. Prompting Mode: Light flashes with vibration, light flashes with buzzer, light flashes with vibration and buzzer. Suitable for the elderly, patient, people with disabilities. 4. Multiple Applicable Place: Suitable for various places such as homes, hotels, bars, restaurants, tea houses, massage rooms, casinos, country clubs, hospitals, health clubs and nursing homes. 5. Watch Receiver Design: Can be easily worn on the wrist of caregivers, nurse, attendant, etc. Light weight and compact, easy to carry, bring you convenience. Specification: Item Type: Caregiver Pager Watch Receiver Parameter Description: Operating Frequency 433.92MHz Charging Voltage: DC5V Working Voltage: DC3.7V Lithium Battery Model: 602030 Battery Capacity: 300mAh (included) Working Current: 75±10mA (vibration mode) Standby Current: 10±5mA Receive Sensitivity: -107±2dBm Decoding: Learning Coding Waterproof Grade: IPX7 Working Temperature: -20℃~ 60℃ Button Transmitter Parameter Description: Operating Frequency: 433.92MHz Material: ABS Battery Type: 1pcs 23A12V Battery Battery Capacity: 80mAh (Included) Emission Current: 10mA±3mA Standby Current: <1uA Open Distance: >1000m / 3280.8ft Keystrokes: 1,000,000 times Waterproof Grade: IPX4 Working Temperature: -20℃~ 55℃ Single Key: CALL. Package List: 1 x Receiver1 x Emergency Button1 x Charging Cable1 x Manual