The Smart Shackle is the first accurate load measuring system that can provide values directly to a smartphone. It's Smart, Rugged and Designed for Jobsites :

• Accurate weighing (0.01%)
• Lifting history
• Load identification
• Long Range up to 100m
• 10 years battery life
• IP 68 : water, dust and drop resistant
• 5 to 1 Safety ratio