KeeTouch Infrared Touch Lcd 21.5 Inch is Anti-glare, vandal-proof and IP65 front side waterproof,with four points touch and high stability and durability even in harsh environmental conditions.More and more consumers are tired of waiting in a long billing queue. A long waiting time could even cause customer churn.Keetouch have more ideal for these applications, including hotel check-in, retail service, food orders and airport check-in. This touch lcd can use for touch monitors with its character.