Hydroponics systems for sales/Hydroponics growing system 

600W Dimmable digital ballast
600W HPS bulb 
8inch Cooltube reflector
24hours heavy duty timer(Can ADD:1Pair Rope ratchet)

1 x 600w (HIGH QUALITY) Digital dimmable Ballast
SUPER Dimmable 600w digital ballast turn from 250w to 600w with super lumen
one ballast=3 ones,super lumen can make the bulb ligher than usual
with fan inside which is good for cooling the ballast,but quiet enough
Heat is vented to outer casing, keeping inside components cool.
IEC female socket
2 metre flex with fitted UK plug.
 
1 x 600w High Pressure Sodium
"Dual Spectrum Lamp"
HPS Dual Specrum Lamps have both Blue spectum (Vegging Stage)
and Red Spectrum (Flowering Stage).
 
1 x 8inch Cooltube reflector

Cooltube reflectors are perfect for HPS or MH Lamps, 
It can match with 600W or 1000W big power HPS or MH lamps.  
2 x Rope ratchet with 24hourS Heavy duty timer

"Say goodbye to Ropes, Pulleys & Chains"
Adjust to the required height and then slowly tighten the wing-nuts until it just takes the weight
of the lamp & reflector, you can then simply raise and lower at will.
Gives easy access to check your plants and for fast growing plants that need regular height adjustment

s.