1. Model: DSAT04
2. Frequency:8.2Mhz/58Khz
3. Color:Black/white/Grey or customize
4. Lock:Three balls clutch,Standard/Super
5. Dimension:89*37*16.5mm
6. Length of Lanyard :17.5cm or customize  
7. Noise level:>95dB
8. Battery durability:>2 years
9. Packing :100pcs/ctn
10. Ctn Size:40X30X20CM
11. G.W:3.8kgs/ctn