SD4A is a solid and durable mini searching flashlight. Although at just 4.41inches and weighing less than 6.28oz, SD4A can deliver a strong output reaching to 1000 lumens max. To meet different illumination needs, we made two types of LED available: CREE XM-L2(U2) and Cree XP-L HI LED.

High strength aerospace aluminum alloy construction with anti-scratching type HAIII military grade hard-anodized finish makes SD4A lighter and more tough. Cylinder-like “unibody” design is simple yet decent. Stainless steel anti-rolling head retaining ring offers more premium quality, which of course, is more sturdy, durable and eye-catching. Exquisite square-cut knurling feels chic and delicate. Invisible lanyard hole is smartly chamfered on the thermal dissipation zone without doing any harm to the overall beauty of SD4A.

What’s more, SD4A enjoys strong university as it can run run on basically any type of battery including 4x AA Ni-MH with battery holder or D-cell. Its heat-dissipating zone is deep and large enough to ensure better heat dissipation. Also, the front side double-switch not only provide one-handed operation and easy access to all functions, but strengthen its safety performance as the light can be locked if you depress and hold both buttons for more than 2 seconds.

We promise that you won’t be disappointed at SD4A when you have it in hand.


Detailed Features:

1. Utilizes CREE XM-L2(U2) LED or CREE XP-L HI LED with 50,000-hour lifetime

2. Output Mode/Runtime:

SD4A-XML: Turbo: 1000lumens/1.9hours, High: 560lumens/2hours, Mid: 350lumens/4hours, Low: 37Lumens/51hours, Moonlight: 1.5Lumens/552hours, Aviation Signal/SOS/Strobe: 1000Lumens
SD4A-XPL: Turbo: 920lumens/1.9hours, High: 510lumens/2hours, Mid: 310lumens/4hours, Low: 35Lumens/51hours, Moonlight: 3Lumens/552hours, Aviation Signal/SOS/Strobe: 920Lumens

3. Max Beam Intensity and Distance :

SD4A-XML: Boasts a peak beam intensity of 20300cd and a throw distance of up to 285 meters
SD4A-XPL: Boasts a peak beam intensity of 40000cd and a throw distance of up to 400 meters

4. Runs on: 4 x AA or 1 x D Cell

5. Dimensions:Length:4.41"(112mm); Head Diameter:1.61"(41mm); Body Diameter:1.61" (41mm); Weight: 6.28oz (178g) (excluding battery)

6. High strength aerospace aluminum alloy construction with anti-scratching type HAIII military grade hard-anodized finish; Consistent silo integrated structure to ensure the best heat dissipation

7. Reflector:

SD4A-XML: Precision micro-textured reflector creates smooth, optimized beam
SD4A-XPL: Optimized ultra-precise reflector offers a longer beam distance than competing products

8. Double-side AR coated, tempered window resists impact and thermal shock, maximizes light transmission (99% light transmittance)

9. High-efficiency digitally regulated circuit to maintain a constant brightness as battery life diminishes

10. Intelligent advanced temperature regulation system allows SD4A to adjust output performance according to its body temperature to ensure stable and safe operation

11. Reverse polarity protection to protect from improper battery installation

12. Dual-button side switch design with battery low indicator in on/off button provides one-handed operation and easy access to all functions

13. Intelligent memory function stores last mode accessed

14. Stainless steel anti-rolling head retaining ring, artistic and effectively protects the light from drops and impacts.

15. Intimate and exquisite Knurling body design, make it more reliable and comfortable

16. Capable of standing up securely on a flat surface to serve as a candle

17. Impact resistance to 1.5 meters and waterproof in accordance with IPX-8 (submersible to 2 meters)

18. Market applications include, but are not limited to, military, army, law enforcement, guidesman, police, emergency, photography, security, camping, sporting , hardware, tool and many other uses

19. Operation:

  • Brightness Select - Click the On/Off-button to turn on the light and then click the M-button to select brightness (Low(Default)-Mid-High-Turbo)
  • Aviation Signal - Long Press the M-button when the light is turned on
  • SOS - Long Press the On/Off-button when the light is turned on
  • Strobe – Long press the M-button when the light is turned off
  • Moonlight - Long Press the On/Off-button when the light is turned off
  • Locked /Unlock – Depress and hold both buttons for more than 2 seconds under any conditions


Cree XM-L2 U2 LED


Output / runtime

37 Lumens (51Hours)                          
350 Lumens (4 Hours)
560 Lumens (2Hours)
1000 Lumens (1.9 Hours)
Moonlight 1.5 Lumens (552 Hours) 
Aviation Signal/SOS/Strobe:1000 Lumens

35 Lumens (51 Hours)                          
310 Lumens (4 Hours)
510 Lumens (2 Hours)
920Lumens (1.9 Hours)
Moonlight 3 Lumens (552 Hours)   
Aviation Signal/SOS/Strobe:920 Lumens

Max Beam Intensity



Max Beam Distance

285 Meters

400 Meters


8 Modes(Low-Mid-High-Turbo-Moonlight-Aviation Signal-SOS-Strobe)


Length: 4.41" (112mm)
Head Diameter: 1.61" (41mm)
Body Diameter: 1.61"(41mm)



Working Voltage


Battery Type

4 X AA or 1X D Cell

Water Resistant

IPX-8 (2 meters)

Impact Resistant

1.5 meters


O-ring, Lanyard




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