The HT Instruments Flashmeter is a handheld multimeter with a 4000 count digital display, offering waterproof protection at IP67 and a high safety rating of CAT IV 600 V. Manufactured by HT Instruments, this versatile device functions as a voltmeter, ammeter, and frequency tester, making it suitable for various voltage and current reading applications. It is an ideal tool for electricians and technicians conducting diagnostic tests and general electrical measurements in challenging environments.