C303B One to One Home Wireless Doorbell Temperature Digital Display Remote Control Elderly Pager<br> Features<br> 1. Self-generated power design, easy to use<br> 2. Strong penetration ability, meeting household needs<br> 3. 38 chords can be switched freely, and the ringtones are pleasant to the ear.<br> 4. Adopt waterproof design, no fear of rain damage, safe and durable<br> 5. The receiver has the function of synchronously detecting the ambient temperature and intuitively understands temperature changes.<br> 6. Supports four-level volume adjustment, which can be heard in the kitchen or balcony, making it convenient for the elderly to use.<br> 7. Installed in the elderly room, it can be turned into a pager instantly to detect problems in time and avoid potential safety hazards.<br> Parameters<br> 1. Shell material: ABS plastic<br> 2. Wireless frequency: 433MHz<br> 3. Working temperature: -10 degrees Celsius to 50 degrees Celsius<br> 4. Working voltage: 100-240V 50-60Hz<br> 5. Working current: less than 100mA<br> 6. Volume: about 50dB, 4 levels adjustable<br> 7. Standby power consumption: 0.25W<br> 8. Wireless distance: 150M (no interference in open space)<br> 9. Receiver size: 85x52x43~63mm<br> 10. Transmitter size: 67x33x18mm<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store