... ,SEWO-T902,SEWO-T100. The case was galvanized and rust-proof, corrosion-proof, solid and durable, coating with imported powder, bright color. ... material is the toughened glass with new technique, and are impacting-proof, scratching proof, with thorough rainproof design. functions :1,This ... 2,This system can work without the computer and software, and do management by related set in keyboard operation ...