Features: 0.1R/1R 9999999R Eight Decade Programmable Resistor Board It provides high-precision resistance control, ensuring accurate and reliable performance for your electronic projects. Made with high-quality PCB material, this resistor board is durable and long-lasting, making it a cost-effective choice for your engineering needs. This product is for electronic engineers. Widely used in educational experiments, electronic engineering design or test fine-tuning. Specifications: Material:PCB Option Type:0.1R Resistor Board,1R Resistor Board, Size:Approx.100x35mm/3.94x1.38in Programmable Resistance: 0 to 9,999,999ohm, 0.1ohm per step Resistance Tolerance: +/-1% Rate Power: 1/2Watt Maximum Working Voltage:200V Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Programmable Resistor Board