Feature:1. Emergency Call: Used as a pager for the elderly children, nursing care, suitable for pregnant women, children and disabled people, etc.2. Long Range: 433MHz transmission frequency, receiving distance 350m in open and barrier free places, indoor transmission distance 50m.3. Ringtone Settings: 4 level volume can be adjusted, 38 ringtones can be selected arbitrarily, one key call, the indoor host will beep synchronously, and the sound will be loud.4. Memory Function: In the event of an unexpected power failure, the original ringtone setting is still the same after restarting, and there is no need to repeat the operation.5. LED Indicator: Both the receiving host and the transmitter are equipped with LED prompt lights, which brings more convenience when using at night.6. Durable Material: Use ABS flame retardant material, environmental protection and no pollution; lanyard design, carry it with you, prevent loss.Specification:Item Type: Wireless caregiver pagerMaterial: ABS, siliconeMusic: 38 (four level volume adjustable)Transmission Distance: Approx. 350m/382.77yd (barrier free), 50m/54.68yd (indoor)Transmission Frequency: 433MHzPager Size: Approx. 60 x 60 x 14mm/2.36 x 2.36 x 0.55inReceiver Size: Approx. 72 x 72 x 17mm/2.84 x 2.84 x 0.67inReceiver Plug: AC100-240VTransmitter Battery Type: L1028 23A12V dry cell 200mAh x 1 (built in)Uses: Can be used as a pager for the elderly, a pager for children, a wake up device, and a nursing pager.Package List:2 x Caregiver Pager1 x Receiver1 x Lanyard Note:1. Do not place the product in an environment that is too corrosive, humid and high temperature!2. Please supply power according to the voltage used. Using other voltages may cause fire and product damage!