$VSYM #BIGBOXSTORES #AMAZON #STOCK $tsnp #SWINGTRADE 4-Hour Battery Life with an optional rechargeable 8 1/2 hour battery Unit is totally portable and folds in half for easy transport Battery operated (optional) At under 50lbs it is completely portable and can easily be moved and set up at a new location in under 15 minutes . https://www.viewsystems.com/products/risk-mitigation-devices.html