YD-250 SERIES 金属PC键盘 Metal PC keyboard YD-25G-65 面板尺寸:392ⅹ110 Dimension: 392×110 Material 材料 面板 进口印花不锈钢 Console: imported printing stainless steel 接键 进口拉丝不锈钢 Key: imported wiredrawing stainless steel 底板 铝合金氧化处理 Backboard: aluminum alloy oxidation treatment 按键字 激光雕刻（永不脱落） Key laser engraving (never falling) 轨迹球 进口不锈钢，直径38mm Track ball: imported stainless steel, diameter 38mm 技术指标 Technical description 操作温度:-30℃~ +85℃ Operating temperature: -30℃~ +85℃ 储存温度:-40℃~ +90℃ Store temperature: -40℃~ +90℃ 恒定温热度:40℃，30%-98% Constant temperature: 40℃, 30%-98% 使用寿命:大于200万次 Service life: more than 2 million times Key distance: 0.5~1.5mm 按键行程:0.5~1.5mm Fault-free time: >5000h 无故障时间；>5000h Track ball activation strength: 100g 轨迹球激活力度100g Key strength: 180g 按键力度 ：180 g 尺寸: 446ⅹ134ⅹ45mm Dimension: 446ⅹ134×45mm 17.559〃ⅹ5.276〃×1.772〃 Weight: 1.8g 重量 ： 1.8kg | 
