As shown, two of these turn on. I have no way of testing these.

The second combo appears to be missing a battery or something. Maybe you have an extra.

Sold as a lot

Only for super cheap! No returns on this FOR PARTS because I don’t know how to test!!

Please see images

2 Hanna combo HI 98129

1 Hanna ph tester HI968103

Fast shipping from Arkansas USA 🇺🇸