Welcome to the store! Long-Distance Transmission: The barrier-free receiving distance is 350m, the indoor receiving distance is over 50m, ensuring the elderly can get help in time. Memory Function: When restarting the device, the ringtone remained unchanged; after an unexpected power outage, the emergency pager will have the same setting when it restarts. 38 Ringtones: The medical alert system has 38 ringtones to choose from and 4 volume levels to adjust; the sound is clear and loud and equipped with an LED indicator light. Premium Materials: The caregiver pager is made of premium ABS and silicone materials, which are durable, flame-retardant, impact-resistant, and long-lasting. Wide Application: This alert button can be used as a call unit for the elderly, children's call, wake-up unit, nursing unit, and so on. Item Type: Caregiver Pager Material: ABS, Silicone Music: 38 ringtones (4 levels of volume adjustable) Transmission Distance: Approx. 350m/1148.29ft (barrier-free), 50m/164.04ft (indoor) Transmission Frequency: 433MHz Pager Size: Approx. 60x60x14mm/2.36x2.36x0.55in Receiver Size: Approx. 72x72x17mm/2.83x2.83x0.67in Receiver Contact Specifications: AC100-240V Battery: L1028 23A12V dry battery 200mAhx1 (built-in) Application: Can be used as an elderly call unit, children's call, wake-up unit, nursing unit Package Includes: 2 x Transmitter 2 x Receiver 2 x Lanyard Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will give you the best solution!