EYZAO EFZ series lightning current recorder with high sensitivity to lightning response, small start-up threshold, large range of accurate data, lightning data is automatically stored, can be viewed on-site, can also be viewed remotely by wireless transmission; support for solar energy, batteries, utility and other power supply modes, can be used outdoors with explosion-proof certificates, long service life, small size and easy to install, no external wiring does not require special maintenance.