The Tru-Test S3 Weigh System has the S3 weigh scale indicator and MP600 load bars conveniently packaged into 1 box. With the S3 indicator, you can easily see the weights no matter the conditions. Rugged and waterproof to withstand the toughest environments. Includes Bluetooth Low Energy connectivity for connecting to apps for additional data management. Designed for long use – includes a rechargeable battery with 15-hour life. Add a platform for a complete stand-alone system for your alley-way and you’re in business.