Materials:Plastic For HI70W-400W,HS 70W-400W. 1. help start metal halide lamp, sodium lamp2. 70-400W regular Watts(metal halide lamp, sodium lamp), 600W(sodium lamp), 1000W3. sealed in epoxy resin,safety class A,good starting capability, low prices, high quality, with different models available.4. Can make according to your disign and your brand.Some Details for Check:Vs Model Electronic Ignitor: ...