SY-B7: (ELCTRonIC BALLAST)
1. 17. 7*2.9*2.5cm N. W,: 0.075KG
2. FIT FOR 110V 60HZ, 220V 50HZ
3. FOR T-8 AND T-12 LAMP 18/20w 36/40w
4. POWER FACTOR >=0.95
5. HIGHEST TEMPERATURE: 80 C
6. NORMAL TEMPERATURE: 0---50C
7. 20 PIECES FOR A CARTON
7. CARTON PCKING: 220*160*130MM

SY-B6:
1. 11.5*4*2.6cm N. W,: 0.31KG
2. FIT FOR 110V 60HZ 0.28A
3. FOR T-8 AND T-12 LAMP 18/20w
4. 20PIECES FOR A CARTON
5. CARTON PCKING: 225*135*130MM

SY-B5 (close ballast)
Voltage: 220 V-240V 50 HZ or 110v 60 HZ or 120v-270v
POWER FACTOR: > 0.95 THD: 25% MEUS: 23.8*6.1*3.8 CM
Material: Steel cover suit for high temperature
Used for 2 lamps, for fluorescent lamp T8-T12, 32 w, 34w, 35w