This Sun System 1 400 Watt MH SS1 is perfect for smaller cover area or Seed Starters or just what ever smaller jobs you want to do. (Note: Light output may vary when used with Large, Super Large reflectors. It offers an Aluminum heat sync enclosure anlong with a Heavy duty Key-way handle making it easy to hang on the wall. Units come with major brand ballast inside (Advance/universal).The rubber feet bottom reduces noise, vibration and provides air flow under the Sun System to keep it cool Along with High temperature capacitor inside. Comes completely assembled with tech Guide and a 8ft 120V UL listed Grounded MVP power cord. For your 240V Option all you need to do is Purchase your 8ft UL listed Grounded 240V MVP power cord plug in and your ready to run on 240V(sold separately).This Sun System ballast has a 5 YEAR warranty.

Yield Master II (4" Duct holes) Included
The Yield Master II is Textured, highly reflective (95%) body with aluminum ends.
- Fits MH1000 (reduced glass size BT-37) and 400, 250, 175 watt sizes.
Also HPS1000, 750, 600, 430, 400, 250, 150.
- Will not accept full size (BT-56) lamps.
- Will accept glass
5kv Socket Assembly with 15’ Lamp cord is built into the unit.
20"long x 18" wide x 7" tall

400W MH Horizontal Standard Grow Lamp (Included) METAL HALIDE LAMPS - This type of light is blue-orientated in the spectrum. It is the best type of light to be used as a primary light source (if no or little natural sunlight is available). This type of lamp promotes plant growth.

400 Watt MH Horizontal Standard Lamp is rated at 39,000 lumens

Or just pick a diffrent reflector from list.