Suitable for engineers, technicians, and electronics enthusiasts who demand speed measurements for their power machinery and projects designs with Not interferences Sensoring, this tachometer ensures stable and accurate readings, complemented by a bright 4 bit LED display that ' s easily readable even in low light conditions This Multifunction tool is perfect for use in electronic lab, industrial production lines, or home appliance repair, providing Stable wherever accurate speed measurement is essential unparalleled Precisions with our Digital LED Tachometer, featuring a high accuracy measurement ranges of 10 to 9999 Speed and a display refreshes rate for Enhances your technical toolkit with this robusts and user friendly speed meter, Completes with a casing and detailed manual for easy setups and operate, Manufacturer: HDOYTXXM