Product Description: The LP4255 TP is a robust, heavy-duty keyboard engineered for challenging public and industrial settings. It features a durable, brushed stainless steel front panel and an integrated sensitive touchpad for cursor control. This unit is IP65 rated, providing complete protection against dust, water, and malicious damage, making it the perfect input device for unattended self-service terminals and harsh operating environments. Key Feature: Specially designed for harsh environments with excellent water, dust, and vandalism proof performance. Metal Dome switching elements ensure good tactile feedback. Integrated sensitive touchpad acts as the cursor device. Features a rack-mount version for easy and secure installation. Characters are laser engraved for excellent, long-lasting durability. No removable keycaps to prevent tampering. User-friendly layout; any language is available at no extra charge. Product Details: Number of Keys: 105 + 2 keys Material: Stainless steel Keyswitch Lifespan: Over 10 million operations Keyswitch Technology: Tactile switching Key Graphics: Laser engraved legends Mounting Style: Rack mount Gross Weight: 1.2 kg Dimensions: 446 mm x 108.5 mm (front panel) Supply Voltage: +5V DC ±5% Communication Interface: USB or PS/2 (optional) Protection Level: IP65 (front panel) Operating Temperature: -40°C to +70°C Storage Temperature: -50°C to +80°C RoHS Compliant OS Support: DOS, Windows 95/98/NT/ME/2000/2003/XP/Vista/7, Linux, Mac, etc. MTBF: >50,000 hours MTTR: <30 minutes Motion Detection Method: Capacitive Resolution: 40 counts/mm