Wireless watch-style emergency button, designed for use in situations where immediate assistance is needed. Features a sleek watch design that is lightweight, portable, and easy to operate, making it especially suitable for elderly users. Compatible with 433.92MHz alarm hosts. Technical specifications: - Working voltage: 12V 27A - Working current: 13mA - Working frequency: 433.92MHz, 315MHz (customizable) - Frequency deviation: 0.2MHz - Transmitting power: 10mW - Transmission distance: up to 100 meters in open space - Encoding chip: 1527 - Modulation mode: ASK/OOK - Operating temperature: -10°C to and55°C - No delay, instant response Color: As shown in picture Material: ABS Package includes: 2 x Emergency pagers (black and white) Note: The package includes only the items listed above. Other accessories are not included. Due to lighting and display differences, actual product color may vary slightly from images. Measurement may vary by 1-3 cm.