| 规格和标准 |
4-way vertical rectangle, 1-way horizontal, ground ink Short cross, 110° horizontal red laser Length (mm): 195 Width (mm): 130 Accuracy: ±1.0mm/10m Automatic correction range: ±2.5 Power supply: 4 AA alkaline batteries (included), 4 AA nickel-hydrogen rechargeable batteries, or AC100V adapter (included) Protection grade: IP54 Irradiation line: 4-way vertical, horizontal, ceiling-mounted right angle light source: Visible light semiconductor laser Light output (mW): 4.5mW Wavelength (nm): Line 520nm, ground-insertion point 650nm 电源(V):4 AA镍氢可充电电池(包括),4台AA碱性电池(随附)(随附)或AC100V适配器(包括)
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