Base Material: FR-4 Layers: 4 Dimension: 172.1 mm* 70.6 mm 172.14mm* 70.6mm PCB Qty: 30 Product Type: Industrial/Consumer electronics Different Design: 1 Delivery Format: Single PCB PCB Thickness: 1.2mm Impedance Control: no No requirement PCB Color: Green 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 Inner Copper Weight: 0.5 oz Gold Fingers: No 30°finger chamfered: No Electrical Test: Flying Probe Fully Test Castellated Holes: no Mark on PCB: Order Number Min via hole size/diameter: 0.3mm/(0.4/0.45mm) 4-Wire Kelvin Test: No Paper between PCBs: No Appearance Quality: IPC Class 2 Standard Confirm Production file: Yes Silkscreen Technology: Ink-jet/Screen Printing Silkscreen Package Box: With JLCPCB logo Board Outline Tolerance: ±0.2mm(Regular)