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  3. KL 251 AF vs Buster 400 HL

Brennenstuhl KL 251 AF vs Sigma Buster 400 HL

What KL 251 AF does better (0) and where Buster 400 HL wins (1) — every spec side by side.

Brennenstuhl KL 251 AF
Brennenstuhl · 2025KL 251 AF
4.2Score
0 advantages≈ $25
vs
Sigma Buster 400 HL
Sigma · 2025Buster 400 HL
7.1Score
1 advantage≈ $25
Higher score
2.7Brightness & throw4.3

Why is KL 251 AF better than Buster 400 HL?

KL 251 AF has no measurable advantages in this pair.

Why is Buster 400 HL better than KL 251 AF?

  1. Maximum output250 lm vs 400 lm+60%
Specifications

Side by side

Light output
Maximum output250 lm400 lm
Light sourceLEDLED
LED & beam
Number of LEDs1—
Battery & charging
BatteryBuilt-in Li-ion / Li-Po—
RechargeableYes—
Build & durability
Water protection (IPx)—IPx8
Submersible to—2 m
Body materialRubber / silicone—
Modes & features
Red lightYes—
ColoursRed, BlackBlack
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