Hign-concerned Chemical:None Type:Hand Tool Parts Model number:SV-3 Product size: 165 x 155 x 80mm Light source:LED Color temperature:6000K Product weight: 495g Scope of application:All 5cm x 5cm 13 and 135 bottom pieces Power Supply: 4 x AA batteries (Not included batteries) Color: Black Material: ABS+Metal Package Contents: 1 * film viewer 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.