16 tus yuam sij braille LED backlight keypad rau cov neeg dig muag B667

Nws yog 4x4 LED backlight keypad nrog cov nyees khawm braille uas tuaj yeem siv rau hauv cov tshuab pej xeem, kev tswj hwm kev tswj hwm lossis kiosks.Nrog rau cov nyees khawm braille, cov neeg dig muag kuj tuaj yeem siv cov chaw pej xeem thaum twg lawv xav tau.
Peb muaj pab pawg R & D zoo, pab pawg QC nruj, pab pawg neeg ua haujlwm zoo thiab pab pawg muag khoom zoo los muab cov neeg siv khoom nrog cov kev pabcuam zoo tshaj plaws thiab cov khoom lag luam.Peb yog cov chaw tsim khoom thiab cov tuam txhab lag luam.