Waterproof to 3.3' / 1.0 m for 30 minutes
(1) CR2 battery
1 3V Lithium-type C2R
9-volt alkaline battery (not included)
4 x 2.9 x 1.3" (10 x 7.4 x 3.3 cm)
4.5 x 3.0 x 1.3" / 113 x 75 x 34 mm
1.9 x 3.6 x 4.2" / 50 x 107 x 103 mm
6.6 oz (187 g)
With battery, without strap: 7.8 oz / 221.1 g
7.7 oz / 278 g