This is Upgraded version of GMV2.

with 2.4'TFT color LCD, More information could be shown.

Specifications:
Name: Geiger Counter
Detect ray: γ, β, X ray
Waterproof: no
Power: 1W
Operating temperature: -5℃ to 40℃
Input: D-C 5V, 0.5A
Operating voltage: D-C 3.7V
Battery: 1 * 14500 lithium battery, 3.7V, 1600mAh (included)
Item size: 137 * 71 * 27mm / 5.39 * 2.80 * 1.06in
Item weight: 160g / 5.64ounce
Package size: 150 * 150 * 52mm / 5.91 * 5.91 * 2.05in
Package weight: 330g / 11.64ounce

Package list:
1 * GMV2 Geiger Counter
1 * Power Cable