Model Number: WGC2 Sensor: Pixart 3212 Optical Sensor Sensitivity: 2400 DPI Polling Rate: 125 Hz Switch & Lifecycle: Huano 20M Clicks Lifetime Acceleration: Up to 30 IPS / 10 G Battery Capacity: 300 mAh Wireless Distance: 10 m Size: 130 × 78 × 38 mm