Galvanometer motor is a lower cost stander parts used in laser equipment, easy to be used and assembled. it's offer a most cheap, convenient option when you want to controll the light beam FeatureSmall volume compact structure convenient installation Analog signal control Specification Scanning Angle: ±30 ( ±20) Rotor inertia: 0.025 gm*cm2, ±10% torque: 2.5 x 104 dyne-cm/amp, ±10% The maximum coil temperature: 100℃ The stator coil shell heat resistance: 8℃/W coil resistance: 8.3Ω±10% coil inductance: 153uH±10% The average current carrying: 1.5A response time one step: 0.3ms linearity: 99.0% Repeat accuracy: 15 microradians Size of the lens: 7mm*11mm*0.6mm Mirror reflectivity: >98% @45° ( 380nm-700nm) For any technical support or suggestion, please kindly go to our forum.