Elderly pager, watch emergency button, watch transmitter Watch wireless remote control, SOS emergency button, watch wireless remote control, Product introduction: Wireless watch-style emergency button, mainly used in places where emergency help is needed The style is novel, easy to carry, simple to use, and especially suitable for the elderly. Watch design, easy to carry and use; can be used with 433.92MHz host Technical parameters: 1. Working voltage: 12V27A; 2. Working current: 13mA; 3. Working frequency: 433.92MHz, 315MHZ can be customized 4. Frequency deviation: 0.2MHz; 5. Transmitting power: 10mW; 6. Transmitting distance: 100m (open space); 7. Encoding chip: 1527; 8. Modulation mode: ASK/OOK 9. Working temperature: -10~ +55. 10. No delay, trigger immediately Colour:As Shown Material:ABS Package Contents: 2 x Pager (black+white) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!