Function Signal Generator, ZK PP2K PWM Pulse Frequency Generator, 1Hz 150KHz PWM Motor Speed Regulation LCD Pulse Frequency Cycle Module Adjustable Driver Module PWM Signal Generator auspowers_batchfour Acrimet Index Business Card Size B00IIC6ALK Acrimet Index Business Card Size File Holder Organizer Metal Base Heavy Duty (AZ Index Cards and Divider Included) (White Color with Clear Crystal Plastic Lid Cover) 25" 2''x2'' 2''x4'' 2''x2''+2''x4'' Package Resealable Dust Proof Bag Resealable Dust Proof Bag Resealable Dust Proof Bag Resealable Dust Proof Bag Resealable Dust Proof Bag Duration Up to 45 times uses Up to 45 times uses Up to 45 times uses Up to 100 times uses \ Latex free ✓ ✓ ✓ ✓ \ Biocompatibility Test ✓ ✓ ✓ ✓ \ 510K ✓ ✓ ✓ ✓ ✓ Over The Counter Use ✓ ✓ ✓ ✓ ✓ Key operation instructions: 1 cyclically on and off