Information Follow Up Rate:Max 36°/sec Settle point error (x secant latitude):1.8° Technical/Environmental Operating Temperature:–20°C to +50°C (–4°F to +122°F) Product Width:228 mm / 9 in Product Depth:228 mm / 9 in Product Height:253 mm / 10 in Product Weight:11 kg / 24.25 lbs