CGDI Remote Frequency Tester and Battery Voltage Detector

Product Details:

This device supports frequency testing with the most common signals in 315MHz, 433MHz, and 902 MHz and more.

It also has a coin battery slot (button cell) to check battery voltage levels. It's convenient to know if the battery has power before taking the effort to open a remote key fob.

Functions:

Can read 315MHz, 433MHz, 868 MHz, 902MHz.
Battery voltage detection of LR, AGSR, CR, Zinc Air and LiR type batteries.