... than 16 ms. Touch activation force: 10 to 100g 4.Enclosure: Durable steel enclosure (different colors for optional). Built-in power control panel ... the cabinet.sprayed metallic paint or plastic-spray,2.0MM steel,moisture-proof,anti-rust,anti-acid,anti-dust 5.Optional ... rfid card reader ,etc. 4.Metal keybaord with trackball,stainless steel,waterproof,encrypted ; 5.High quality camera; 6.WiFi for internet ...