1. Brightness & Beam Distance (Performance Boost)
Max Brightness: 1st Gen offers 4,360 lm; 2nd Gen is upgraded to 5,000 lm.
Max Beam Distance: 1st Gen reaches 405m; 2nd Gen reaches 410m.
Spotlight Brightness: 1st Gen offers 1,300 lm; 2nd Gen is significantly boosted to 2,500 lm.
Floodlight Brightness: 1st Gen offers 3,060 lm; 2nd Gen is upgraded to 3,800 lm.

2. Lighting Configuration (Functional Evolution)
Main Light System: 1st Gen uses SFT25R (Spot) and 3×SST25 (Flood); 2nd Gen features an upgraded dual-light system for better efficiency.
Side Light Features:

1st Gen: Provides 7-color variations and 5 modes, mainly for atmosphere or signaling.
2nd Gen: Includes full-color RGB plus a new High-CRI White LED (up to 120 lm), suitable for reading or close-up work.
Special Versions: The 2nd Gen now offers a UV (Ultraviolet) version option.

3. Power & Charging (Speed & Durability)
Charging Speed: 1st Gen supports 20W fast charging; 2nd Gen is upgraded to 22W bidirectional fast charging.
Charging Port Design: 1st Gen uses a traditional rubber plug; 2nd Gen features a more durable metal charging cover.
Battery Structure: Both generations use a parallel dual-18650 structure with a tool-free quick-release battery compartment.

4. Physical Specs (Build & Protection)
Weight: 2nd Gen (231.2g) is slightly heavier than the 1st Gen (225g).
Drop Resistance: 2nd Gen explicitly lists a 1-meter impact resistance.
Operation: 1st Gen uses a mechanical dial; 2nd Gen uses a rotary knob switch for mode selection.
Common Features: Both generations share the same dimensions (106 × 47.8 × 22.5 mm), IP68 waterproof rating, and magnetic tail cap.