|▲ Built-in LED Backlight: To enhance user operation in the dark.
▲ Bigger Button Design (comply with IEC 60601-2-52 BB3.3.3): To assist user in identifying and operating against misused.
▲ The force to operate the buttons < 5 N (comply with IEC 60601-2-52
BB3.4.1): From testing, Sigma-Care handset (X3 / X4) is less than 2.9N. (Easy-to-use)
▲ 3 in 1 Marking System: Drawing symbols、Illustration and the braille marks.
|● Comply with IEC 60601-2-52 BB3.3.3
● Comply with IEC 60601-2-52 BB3.4.1
● Comply with IEC 60068-2-31
|▲ Shatterproof Material: Drop test
(over 1000 times) is passed.
(comply with IEC 60068-2-31)