Mouse (height x width x depth): 97.7 mm (3.85 in) x 61.5 mm (2.42 in) x 35.2 mm (1.39 in) Mouse Weight: 70.5 g (2.49 oz) with battery Nano receiver (height x width x depth): 6.6 mm (0.24 in) x  14.4 mm (0.57 in)  x  18.7 mm (0.74 in) Nano receiver Weight: 2.0 g (0.07 oz) Connection Type: 2.4 Ghz wireless Wireless range: 10 m (33 ft) Battery: 1 x AA Battery life: 1 year Part Number: PN 910-004424