The Atlinks Big Button Emergency Call Pendant in Black is designed for ease of use and quick assistance. Featuring a large, easy-to-activate SOS/Help button, this pendant can summon help by calling up to 3 programmable emergency numbers. The device offers an amplified ringtone of up to 90 dB and increases handset volume by +40 dB during calls with its audio boost button, making it ideal for those with hearing impairments. It includes 2 direct dial numbers and 10 speed dial numbers, along with a 32-name and number directory. SOS calls can be set to dial favourite contacts, and a hands-free facility is included. This pendant is hearing aid compatible. Specifications include dimensions of H:8.1 x W:17.5 x D:20.0 cm, made from durable plastic, and comes with a 2-year guarantee. Model Number: AP1424. Product Summary: Big button SOS alarm pendant, emergency call pendant, help bracelet, amplified telephone, hearing aid compatible, hands-free facility, 90 dB ringtone, 40 dB handset boost.