Best smart scale deal: Get 25% off the Renpho Smart Body Fat Scale at Amazon

SAVE $13: As of Aug. 12, get the Renpho Smart Body Fat Scale at Amazon for 25% off. It's just $39.99 at Amazon, down from its usual price of $52.99.

When you're working on improving your overall fitness, there's a complete picture you should keep an eye on, not just the numbers on your scale. That's where a smart scale can come in. It can help you track a wide number of health metrics to give you more data about your body. They're surprisingly affordable too, especially if you can catch one on sale like this Renpho model.

As of Aug. 12, get the Renpho Smart Body Fat Scale for $39.99 at Amazon, down from its usual price of $52.99. That's $13 off and a discount of 25%.

This scale is already set apart from its peers in one interesting way: it features a spectrum of colors that you can set through the accompanying Renpho Health app. From there, you can track the data you measure every time you step on the scale and change the lighting to match your room, mood, or even specific profiles.

It tracks 13 different metrics, including body weight, body fat percentage, BMI, muscle mass, fat-free body weight, visceral fat, and much more. All of it will sync to your phone automatically, and you can import health data via fitness trackers and apps. It displays all of this info with a large LED screen and uses high-accuracy pressure sensors to deliver information.

There's a ton you can glean from this smart scale that can help you either tailor your workouts or figure out how you want to approach your fitness goals, and at this sale price, it's well worth investing in.