This keyboard provides full-size versatility in a rugged, compact design with the added convenience of a washable optical trackball. For working in low-light areas, it is also available with optional LED backlighting. Engineered for NEMA 4X protection from dust, water and corrosive liquids. This keyboard is ideal for use in environments ranging from manufacturing to material handling to medical settings. Keyboard’s robust polycarbonate case protects it against any hazardous environment.

MEDICAL: lab, hospital, clinic, dental, such as carts, diagnostic equipments, operation rooms, dialysis centers etc;
MATERIAL HANDLING: mobile keyboard, data entry, assembly line etc
MILITARY: Army, Navy, Air force
INDUSTRIAL: Industrial automation, pharmaceutical, oil and gas, food and beverage, clean or dirty manufacturing environments, warehouses 

Keyboard with NVIS-compliant red adjustable backlighting optional, while NVIS backlighting makes this keyboard ideal for aviation or vehicle applications where night vision goggles are necessary.
Keyboard provides full-size versatility in a rugged, compact design, rugged construction for reliable functionality
The keyboard lacks the crevices found between the keys of a regular keyboard, which is protected against dust, dirt, grease and corrosive liquids to NEMA 4X, which means it can withstand directed hose water, disinfectants, environmental contaminants and heavy industrial use.
Clean key-Prevents data from being sent while the keyboard is wiped down, allowing user to clean at any interval with minimal downtime-User is notified of ‘lock down mode’ by brightly lit CLEAN KEY
Special durable-coating for excellent mechanical and chemical resistance
With firm tactile key feel, key travel 1.50mm key travel.
IP68 rated washable optical trackball module.
Ease of customizing with multiple languages, to accommodate foreign or custom variants.
PS/2, USB connection cables that plug directly into computer like keyboard operations.
Enclosure: industrial silicone, Robust ABS Polycarbonate Case
Low-profile keys for easy cleaning
Key life: 10 millions 

Operating temperature:-20oC to +60oC(Industrial level), -40oC to + 80oC(Military Level),
Storage temperature: :-30oC to +70oC (Industrial level), -40oC to + 80oC(Military Level),
Operating RH: 30~90%
Atmospheric pressure: 60-106Kpa
Shock: 3x11 ms pulses of 50g on each of 3 axes
Vibration: POWER SPECTRAL DENSITY: 0.04g/Hz, FREQUENCY RANGE: 20Hz - 2kHz, DURATION OF TEST PER AXIS: 3 hours
Flammability
PRINTED CIRCUIT BOARD: 94 VOSILICONE OVERLAY: 94 HBINTERFACE CABLE: 94 V

RoHS , CE, FCC, ESD
Protection Level: IP68, NEMA 6P
Key Lifespan >10 million actuations
MTBF >50000H
MTTR <30min