Eagle WM-5000E2 guard patrol monitoring system, security patrol system, punch clock system is a very popular product on the market. Small-sized, durable, and low power consumption are its biggest advantages. With unique design and special adhesive, WM-5000E2 reader is waterproof. there is not any screw on the surface makes it super durable and water proof. One 3V lithium battery can read buttons 350 000 times continuously. Date transmission by downloading station. why choose JWM: 15years manufacturing of Guard Tour System 5 year warranty of all the products world wide net work for sales Own R&D team providing SDK(DLL) if needed New product released each year Webbased software Technical Information Physical Durable stainless steel case with rubber shell Dimensions 113mm×28 mm Weight 140g Operating Temperature -45° to +85°C Storage Capacity 7200 touch memory button reads Battery 3.0 V Lithium battery, long life span Battery life 350 000 continuous reads Communications USB port, downloader station Prompt Means LED flash prompt Application: Security guard patrolling building guard patrolling oil pipe line checking and inspection Power transmission cable checking Time & attendance monitoring Incident report &meter reading Policeman patrolling Military patrolling Nurses' daily round Remote equipment inspections and maintenance