Heine copy streak Retinoscope Rechargeable with free shippingRotation and Vergennes movements are independently operated for those separate controls. Continuous 360 ° rotation for easy and accurate positioning of streak for axis determination Smooth Vergennes movement operated conveniently It Has a Smooth,Non-Abrasive Knurled Finished Its Comes With Rechargeable Battery In Handle Or That Can Also Be Converted For Use with Standard C-cell Batteries 1 Extra Bulb Free In The Case International Buyers – Please Note:   Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying