Keysonic ACK-540U+ (US) Mini-Keyboard, Touchpad, black, USB

TECHNICAL DATA I
Key count: 88 / 89 (depending on country)
Construction: Soft-Touch membrane technology
Life expectancy: approx. 5 million strokes per key
Switch travel: 3.0 ±0.5 mm total run
Pressure point: 55 ±15 g
Power supply: +5 VDC ±5 %
Power consumption: 100 mA max.
Temperature: 0 °C up to +50 °C (operating) / –20 °C up to +65 °C (storage)
Humidity: 10 % up to 85 % RH (operating and storage)
Cable length: 1.9 m
Interface: USB
Scope of delivery: Keyboard, user manual
Compatibility: Win 98SE / ME / 2000 / XP / Vista

Dimensions approx. (W×H×D): Keyboard: 291 × 29 × 197 mm
Weight approx.: Keyboard: 665 g