【Doctor Footprint】 -- FR1-003 red dot sight is compatible with Doctor, Vortex Venom footprint. It is also equipped with a detachable low picatinny mount that is compatible with most weavers, picatinny, and RIS rails.
【Waterproof】 -- It is O ring sealed, IP67 waterproof. With O-ring sealed structure to keep dry inside, can protect the inside electronic parts and extend the device life by 3-5 years.
【Excellent Performace】 -- The structure material is 6063 aluminum, 1500Gs shockproof, the max recoil is up to .45acp. 
【Advanced Technology】 -- Includes 7 different brightness settings (6 Daytime/1 NV) in bright and dim lighting with equal ease. 1 dim setting compatible with night-vision devices for low light nighttime use.
 
 
Specification:
MAGNIFICATION
1 X
RETICLE
6 MOA dot
RETICLE COLOR
Red
LENS COATINGS
Multi-coated
PARALLAX SETTING
Parallax Free
EYE RELIEF
Unlimited
WINDOW SIZE (mm/in)
26x17/ 1.02x0.67
1.02x0.67
LENGTH (mm/in)
47.5/ 1.87
WEIGHT (g/oz)
40 /1.41 
BRIGHTNESS SETTING
7
BATTERY 
1 PCS CR1632
BATTERY LIFE
1000 hours at medium setting, 2000 hours at lowest setting
CLICK VALUE
N/A
W/E ADJUSTMENT RANGE @ 100 YDS
120 MOA
MOA PER REV
20 MOA
MOUNT
Weaver / Picatinny
FOOTPRINT
Vortex/Docter/Burris
WATERPROOF
IP67
VIBRATION
1500G/2000 rounds impact test
 
STORAGE TEM.
-20℃～+65℃
WORKING TEM.
-20℃～+55℃