Red dot sight with manual on/off button at the rear facing end. The size of the lens is 20-30mm (0,8-1,2 in.) and the total length of the dot sight is 120mm (4,8 in.). The dot sight comes with integrated mount for picatinny/weaver rails.
Technical specification
 
Type of aiming point:
dot
Colour of aiming point:
red
Regulation of aiming point:
vertical / horizontal
Brightness of aiming point:
N/A
Head-up display:
20 x 30mm
Powered by:
1x CR2032 battery (not included)
Mounting type:
RIS 21mm
Dimensions (L x W x H):
120 x 55 x 35mm
Weight:
73g