Product: VIVOSUN 400 Watt Dimmable Electronic Digital Ballast w/Enhanced Internal Fan Cooled Operation 25% Less Heat Generated for 15% Longer Service Life
Brand: VIVOSUN
Color: 400W
VIVOSUN - Your #1 Choice for Flourishing Harvest

Exclusive Technologies for Longer Service Life - Soft Start Program & Slow Light Start-Up Program

Item Spec.:
-Watt Option: 150w / 250w / 400w / Super lumens (110%)
-Power Supply: 120~240V
-Frequency: 50/60Hz
-Power Factor: 99.9%
-Power Cord: 120V 8-feet
-Matched Bulb Types: HPS / MH
-Accessory: Rubber feet*4pcs

Caution:
1. Do not operate the ballast before you read & fully comprehend the product instructions. 
2. The ballast can not ignite lamp which is overheated. Re-ignite the lamp before giving the lamp sufficient time to cool down.


VIVOSUN provides the most reliable ballasts on the market - 99% users are satisfied with our digital ballasts!

VIVOSUN - We care, We support!
Spec.: Runs on 120 - 240V, 50/60Hz, 8ft 120V power cord ✔
UL Listed 1000W Dimmable Ballast: Dimmable level: 150w / 250w / 400w / Super lumens (110%) ✔
Long service life: Soft start program & Slow light start-up program ✔
Note: The dimmable setting of ballast should be the same watts as the bulb when starting, or your bulb may not be lit up. 400W ballast must match 400W bulb; The extra setting is to adjust the brightness (lumen) of the bulb. Different lumens have different effect on the plants ✔
What You Get: VIVOSUN 400w digital ballast, 8ft 120 volt power cord ✔

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