1. Using high-quality materials, the quality is guaranteed 2. It is a 0.1R/1R-9999999R resistor board 3. The resistance range can be adjusted flexibly and quickly from 0.1R/1R to 99999999 4. Can be used for educational experiments, electronic engineering design or test clips 5. Easy to use and widely used Resistance Tolerance: +/- 1% Rated power: 1/2W Working voltage: 200V. Working temperature: -25~85 Working humidity: 5%~95% RH Colour:blue :PC+ metal Package Contents: 1 x Module(Slightly different from the ) 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.