CTW07 EU Plug Wireless Elderly Emergency Alert Bell System with 5 SOS Call Buttons and 1 Digital Screen Receiver - White • Easy to ask for help for an elderly person; no need to wake up the whole house—just press the button to request assistance • Suitable for patients, elderly individuals, residents, handicapped persons, and pregnant women to quickly send alerts to nursing staff • Maximum wireless transmission distance of 800–1000 meters • Portable design—can be clipped to a collar, worn as a pendant, or mounted near the bedside or toilet for convenience • Meets the needs of hospitals, clinics, nursing homes, restaurants, and hotels Specifications: Receiver: • Function: Displays calling information, call time, and call sequence • Power supply: USB interface • Alert modes: Vibrate or beep • Receive sensitivity: -110 dBm • Frequency: 433.92 MHz • Storage capacity: Stores up to 20 groups of real-time call information • Transmission distance: 800–1000 meters • Battery: 3.7V 230 mAh (included) • Receiver dimensions: 52.3 x 61.7 x 16.5 mm SOS Call Button: • Battery: 200 mAh CR2032 button battery (included) • Modulation method: ASK (AM) • Transmission range: Up to 200 meters in open field • Operating temperature: -10°C to 50°C • RF frequency: 433.92 MHz • Button dimensions: 55 x 30 x 10 mm Package includes: • 1 x Receiver (with hanging rope) • 5 x Call Buttons (with hanging ropes) • 1 x EU power cable • 1 x User manual in English