Features: 1.Product Information: This pager open unobstructed reception distance of 350m, indoor practical distance 50M, transmission frequency: 433MHz. 2.Reliable Material: This pager uses ABS flame retardant material. It is green, environment friendly and pollution free, durable and easy to carry. 3.Modern Design: One button call, indoor host synchronous beeping, flashing lights to remind, power failure memory function, restart bell unchanged, accidental power failure and restart also the same original settings, no need to repeat the operation. 4.Wide Application: This wireless portable nursing pager system is suitable for children, the elderly, pregnant women, paralyzed patients, and people with disabilities. 5.Thoughtful Detail: This pager has 4 levels of volume adjustment, 38 ringtones any choice, the sound is clear and loud, the receiving host and transmitter are with LED lights, bringing more convenience at night. Specification: Item Type: Caregiver Pager_x000D_ Material: ABS and Silicone_x000D_ Usage: Can be used as the elderly call device, children call device, wake up device, nursing call device_x000D_ Music: 38 tracks (4 level adjustable volume)_x000D_ Transmission Distance: 350M (barrier free), 50M (indoor)_x000D_ Transmission Frequency: 433MHz_x000D_ Pager Size: Approx: 60x60x14mm/2.36x2.36x0.55in_x000D_ Receiver Size: Approx: 72x72x17mm/2.83x2.83x0.66in_x000D_ Receiver Plug Specifications: AC100-240V European/British/American/Australian_x000D_ Transmitter Battery Type: L1028 23A12V Dry battery 200mAhx1 (built in) PackageList: 2 x_x000D_ _x000D_ CaregiverPagers 3 x Receivers 2 xStraps Note: 1. Do not place the product in a corrosive, humid and high temperature environment!_x000D_ 2. Please follow the voltage for power supply, using other voltage is easy to cause fire and product damage!