EA Johnson Ea Johnson ya buga da Ea Johnson a ciki1965. A farkon shekarun 1970, allo na farko da aka kirkiro ta Frank Beck da lett my, injiniyoyi aZini. An fara kirkirar samfurin ta jiki kuma ana amfani dashi a ciki1973. George Samuel ya inganta ta George Samuel1975Amma ba a samar da amfani har zuwa 1982.
Strong anti-interference performance
Supports gloved & water touch
Compatible with explosion-proof glass
Sunlight-readable outdoors
Highly customizable
Stable quality & long product lifecycle
