20/20 TESTER MOUNTED ON COUNTER-BALANCED BRACKET ADJUSTABLE TOP LATCH GIVES POSITIVE LOCK ON THE 20/20 TESTER BOTTOM ADJUSTABLE LATCH GIVES POSITIVE LOCK ON 20/20 TESTER THE UNIQUE PATENT PENDING COUNTER-BALANCED BRACKET FOR THE 20/20 TESTER COUNTER-BALANCED BRACKET EASILY ALLOWS AIRCREW TO ADJUST THE 21 LB. 20/20 TESTER TO INDIVIDUAL EYE LEVEL 20/20 TESTER SECURELY MOUNTED IN COUNTER-BALANCED BRACKET-READY FOR USE THE "NVG TEST TENT" HAS A 6" SKIRT AROUND THE BOTTOM OUTSIDE THAT SAND BAGS CAN BE PLACED ON TO ANCHOR THE TENT FOR OUTSIDE USE IF NEEDED. THE 4 MAIN COMPONENTS OF THE "NVG TEST TENT" ARE: STORAGE CONTAINER, TENT FRAME, 20/20 TESTER BRACKET AND TENT COVER. CONTAINER WITH VIEW OF PARTS COMPLETELY PACKED IN THE LOCKABLE DEPLOYMENT CONTAINER, TOTAL WEIGHT 90 LBS.