This Thomas traceable clock does triple duty - it tells time, measures temperature, AND monitors humidity, all with laboratory-grade accuracy!

The 12.5-inch analog face is easy to read from across the room, making it perfect for storage areas, labs, or offices where you need to keep an eye on environmental conditions.

The temperature range covers from -20 to 55°C (10 to 130°F) with ±1.5°C accuracy, while the humidity gauge goes from 0-100% RH with ±5% accuracy.

But what really sets this apart is the traceable calibration to NIST standards - that's serious precision you can trust for sensitive environments.

The clock itself is no slouch either with ±0.01% timing accuracy.

Everything runs on a single AA battery, so you can place it anywhere without worrying about power outlets.

The whole unit weighs about a pound and has a professional look that works in any setting.

Comes complete with battery, traceable certificate, and instructions.

Seriously, for the price, you're getting laboratory-grade monitoring in a simple, easy-to-use package that just works day after day without any fuss!