Never been used before Dimension: 86mm (3 7/16 inch) x 83mm (3 1/4 inch) x 25mm (1 inch) Easy to install, just plug and play Prevents overcharging battery and improves charging capability With heat sink fins for better cooling Fitment: Please make sure you get the correct size before you buy Fit for TRX450S/ES Foreman 1998-2001 Fit for TRX400FW Foreman 1995 Fit for TRX350 TE Rancher ES 2000-2006 Fit for TRX350 TM Rancher S 2000-2006 Fit for TRX350 FM Rancher S 2000-2005 Fit for TRX350 FE Rancher ES 2000-2005 Fit for VT750C Shadow Aero 2004-2006 Fit for TRX450FM Foreman Fourtrax 2002-2004 Fit for TRX450R 2004-2005 Fit for VT750C/C2 Spirit (Shaft Drive) 2007-2008 Fit for TRX350 FE FM TE TM 2000-2003 Fit for VT750C SHADOW AERO 2004-2009 Fit for VT750C2 SHADOW SPIRIT 2007-2009 Fit for VT750 C2F SHADOW SPIRIT 2007-2009 Fit for VT750CA SHADOW AERO 2004-2009 Color: Black Material: Metal Package Contents: 1 x Voltage Regulator Rectifier Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm