Klarus XT21X Pro Flashlight User Manual
Thank you for purchasing a Klarus product. Please read this manual carefully before use.
Product Specifications
- Model: XT21X Pro
- Dimensions: 41mm × 29.2mm × 163.1mm
- LED: CREE XHP-70.2 P2 1A
- Lumens: 4400LM
- Working Voltage: 2.5V-4.2V
- Compatible Batteries: 1x 21700 / 1x 18650
- Waterproof Rating: IPX 8
- Weight: 171.5g (without battery)
Packing List
| Item | Quantity |
|---|---|
| Flashlight | 1 |
| Battery | 1 |
| 18650 Battery Adapter | 1 |
| USB-C Charging Cable | 1 |
| Lanyard | 1 |
| Clip | 1 |
| Spare O-ring | 1 |
| Holster | 1 |
| Manual | 1 |
Operating Instructions
The flashlight has two main operating modes: Tactical Mode and Outdoor Mode. You can switch between these modes by holding the MODE switch for 5 seconds when the light is OFF. The indicator light will flash red and green alternately, indicating programming mode. While in programming mode, click the MAIN switch to toggle between Configuration ONE and Configuration TWO. The light will exit programming mode when the mode change is successful.
Mode One: Tactical Mode
Dual Tail Switch:
- Tactical Switch: Momentary ON by half-press, release to turn OFF. Press and hold for TURBO.
- MODE Switch: Press to enter STROBE, release within 2 seconds to exit STROBE. Hold for more than 2 seconds to lock into variable strobe. Single click to exit.
When light is ON:
- MODE Switch: Single click to cycle through outputs: TURBO (4400LM) → HIGH (1500LM) → MEDIUM (400LM) → LOW (100LM) → MOON (5LM) → Repeat. Hold for 1 second to turn OFF.
- Tactical Switch: Single click and release to turn OFF.
When light is OFF:
- MODE Switch: Press and hold for 1 second to enter MOON (5LM) mode.
- Tactical Switch: Momentary ON by half-press, release to turn OFF. Click to lock in TURBO.
- Side Switch: Double click to enter STROBE, double click again to enter SOS.
Mode Two: Outdoor Mode
Dual Tail Switch:
- MODE Switch: Press to enter MOON (5LM), release within 1 second to return to OFF. Hold for more than 1 second, then release locks into LOW mode. Single click to cycle through outputs: MOON (5LM) → LOW (100LM) → MEDIUM (400LM) → HIGH (1500LM) → TURBO (4400LM) → Repeat. If the light is ON when the Tactical Switch is OFF, hold MODE for more than 1 second to turn OFF the light.
- Tactical Switch: Momentary ON (in last used output) by half-press, release to turn OFF. Click to memorize output.
When light is ON:
- MODE Switch: Single click to cycle through outputs: MOON (5LM) → LOW (100LM) → MEDIUM (400LM) → HIGH (1500LM) → TURBO (4400LM) → Repeat.
- Tactical Switch: Single click and release to turn OFF.
Side Switch:
- When the light is OFF, click to enter memorized output. Click again to cycle through outputs: TURBO (4400LM) → HIGH (1500LM) → MEDIUM (400LM) → LOW (100LM) → MOON (5LM) → Repeat. Hold for 1 second to turn OFF (If the tactical switch is ON, the side switch cannot turn the light off).
- When the light is OFF, press and hold to enter LOW (5LM).
- If the side switch is not locked, double click to enter STROBE, double click again to enter SOS.
ANSI Standard Parameters
| ANSI/NEMA FL1 | Turbo | High | Medium | Low | Moon | Strobe | SOS |
|---|---|---|---|---|---|---|---|
| Lumens (lm) | 4400 | 1500 | 400 | 100 | 5 | - | - |
| Runtime (h) | 2.5 | 4 | 9 | 30 | 200 | - | - |
| Candela (cd) | 19506 | 7400 | 2450 | 600 | 30 | - | - |
| Beam Distance (m) | 336 | 190 | 100 | 50 | 15 | - | - |
| Drop Resistance (m) | 1 | - | - | - | - | - | - |
| Waterproof Level | IPX8 waterproof (underwater 2m) | ||||||
Contact Information
KLARUS LIGHTING TECHNOLOGY CO., LIMITED
Address: 8/F, E Building, Longjing Industrial Park, Bantian Subdistrict, Longgang District, Shenzhen City, 518000, China.
Phone: +86-755-27700110
Website: klaruslight.com (Note: Actual website may vary, this is a placeholder based on brand name.)
Facebook: KlarusLight (Note: Actual Facebook page may vary.)
