This listing is for a Philips Advance 72C5581NP001 F-Can Metal Halide Ballast 175 Watt M57 or 150 Watt M107.  It is rated for 120/277 volt operation.  The shipping cost is based on 15 pounds with packing material and the outer box. 

Your satisfaction is guaranteed.  All items are shipped via the US Post Office (USPS).  I make every effort to ship your item within 24 hours following receipt of payment, except for Sundays or Holidays when the post office is closed.  Payments are accepted by Paypal.