| Model | SF33 |
| Flash index | 33 |
| Circuit design | IGBT |
| Power source | 4 "AA" alkaline or NI-MH battery |
| Battery life | 100-1600 times |
| Recycle | 3 seconds NI-MH battery, 6 seconds alkaline |
| Wireless Remote Flash | built-in slave feature (Slave A, Slave B) |
| Power Ratio | 7 steps (1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64) |
| Power saving | Auto Power off after 60minutes in M mode |
| Color temperature | 5600K |
| Dimension | 72mm ×168mm × 56mm |
| Weight: | 252g |
| Bounce and Rotating Head | Bounce up: 45°,60°, 75°, 90° Bounce left: 30°, 60°, 90°, 120°, 150°,180° Bounce right: 30°, 60°, 90° |
| Diffuser and Reflector | Wide flash adapter and catch light reflector Soften the light on the subject |
| Material | ABS |
| Warranty | One year warranty |