Waterproof to 3.3' / 1.0 m for 30 minutes
IPX4 Designation
(1) CR2 battery
1 3V Lithium-type C2R
CR2 3 -Volt Lithium Battery
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
4.25 x 3x 1.75
6.6 oz (187 g)
With battery, without strap: 7.8 oz / 221.1 g
7.58 oz.