Sell Ready Stock/❄DiDiDa Patient Alert Alarm System Wireless Emergency Call Button best price

1, perfect for use as an alarm for those who need quickly help, like the elderly, child, handicapped, pregnant women or sick, simply press the call button to alert the caregiver. 2, Long Range: Up to 280 meters range in open area, and using 16-bit encoding to eliminate interference from other devices, provides the performance to work virtually anywhere in your home. 3, More Alert Options: 32 melody sounds to choose from, adjustable volume control, and three alert ways (Sound+Light, Sound Only, Light Only). 4, Convenient Placement: The waterproof transmitter can be worn as a pendant, or placed at bedside. Receiver can be wall mounted, placed on the desk or carried in caregiver's pocket. 5, The receiver and transmitter with low battery indication. Receiver powered by 3 x AAA batteries(not included); transmitter powered by 1 x button cell(not included). Pairing Instructions: 1. Press receiver "Signal" button until LED light turns on 2. Press red call button once to pair with receiver(be sure to remove plastic battery protector tab by opening the call button with included screwdriver) 3. Red light will flash to confirm successful pairing 4. Receiver will automatically exit pairing mode 5. System is ready to use. Repeat process if call button and receiver lose connection colour:White + red Material:plastic size:Transmitter approx.: 4.2*8.5*1.5cm Receiver approx.: 12.7*4.8*2.7cm Package Contents: 1 x Transmitter 1 x ReceiverOnly the above package content, other products are not included. Note: Light shooting 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.