Layers: 2 Dimension: 64 mm* 50 mm PCB Qty: 30 Product Type: Industrial/Consumer electronics Different Design: 1 Delivery Format: Single PCB PCB Thickness: 0.8mm Impedance Control: no PCB Color: Black Silkscreen: White Material Type: FR4-Standard TG 135-140 Via Covering: Tented Surface Finish: HASL(with lead) Deburring/Edge rounding: No Outer Copper Weight: 1 oz Gold Fingers: No 30°finger chamfered: No Electrical Test: Flying Probe Fully Test Castellated Holes: no Mark on PCB: Order Number 4-Wire Kelvin Test: No Paper between PCBs: No Appearance Quality: IPC Class 2 Standard Confirm Production file: No Silkscreen Technology: Ink-jet/Screen Printing Silkscreen Package Box: With JLCPCB logo Board Outline Tolerance: ±0.2mm(Regular)