3 In 1 MEAGAO H-G06 Wireless Doorbell Waterproof Pager Long Range Smart Call Button Caregiver Care System, 1 Transmitter+2 Receivers, 2 Transmitter+1 Receivers

1. Ringtones: 60 polyphonic melodies
2. Volume: 0-100 decibels
3. Operating temperature: -30 to 70 degrees Celsius
4. Operating frequency: 433.92 MHz + 75 kHz
5. Receiver Voltage: 85-260 V / 50-60 Hz (wide voltage range)
6. Transmitter Battery: Built-in CR2032 button cell battery
7. Transmitter Water Resistance Rating: IP44
8. Dimensions: Transmitter approx. 7.7 x 3.8 x 2.1 cm; Receiver approx. 8.3 x 7.3 x 2 cm

Features:
1. Features an optimized chip and antenna design, providing a wireless transmission range of over 200 meters in open outdoor environments. The signal offers strong penetration, meeting the needs of multi-story homes and large-area residences
2. Features 60 built-in polyphonic ringtones and supports 4 volume levels, catering to personalized alert needs ranging from quiet, non-intrusive alerts for infants to clear, audible alerts for the elderly.
3. The receiver supports a wide operating voltage range of 80V–260V, making it compatible with power environments in various regions worldwide.
4. The transmitter features an IP44-rated waterproof and dustproof design, making it suitable for outdoor environments exposed to rain.
5. The transmitter uses a button battery combined with a low-power circuit design to extend battery life
6. Equipped with double-sided adhesive pads, the transmitter can be mounted without drilling simply stick it on and use it while the receiver is plug-and-play
7. Combines wireless doorbell and SOS emergency call functions, making it suitable for the care of the elderly, pregnant women, and children