Gett InduProof Advanced TKG-104-MB silicone keyboard No. of keys: 102 + 2 mouse buttons Keyswitch technology: Gold-plated snap domes Actuation force: 1.5 N Actuation travel: 0.55 mm Keyswitch lifetime: approx. 1 million (per key) Design: Plastic housing (desktop) Housing material: Silicone rubber Base plate material: Plastic Operating temperature: -0 °C to +70 °C Keyboard layout: German (other country layouts available upon request)