551/552/553 Specification

Feature: 
1: 100% brand new with high quality.
2: Sharp and clear reticle.
3: 10 / 5 brightness level red and green dot sight.
4: Power safe feature, automatic power-off in 2 hours.
5: Easy to setup, fits any 20mm / Picatinny Rail.
6: Shockproof and weather proof material.
7: Elevation and leverage adjustment on the side of sight.

Specifics:
Condition: 100% Brand New
Color: Please refer to the picture
Magnification: 1.0x 
Weight: 551: Approx 0.44lbs, 552: 275g (9.7 ounce) ,553:195g
Battery: 551: 4 x LR44 Batteries (no included), 552: Two pieces of AA battery(not included), 553:CR123A(not included)
Optics Coating: Multi Coated
Reticle: 551: Red and Green Reticle with 10 Levels Brightness, 552: Red and Green Reticle with 5 Levels Brightness
Dimensions: 
551: Approx.107x50x63mm (L x W x H)
552: Length: 135x50x65mm (L x W x H)

Operation Instructions:
Upward: brightness adjustment and Turn on Power
Downward: brightness adjustment
NV: Reticle color switching (Red/Green)
Upward + Downward: turn off reticle

Package Include:
1 x Cleaning Cloth
1 x English Manual
1 x Red/Green Dot Holographic Sight (Battery not included)