1. Probing at the OBDII connector is no longer required. 2. Easily access each of the 16 pins while scan tool communicating with vehicle. 3. LEDs to quickly indicate power or ground problems of OBDII connector. 4. Mimics the OBDII connector layout for quick reference. 5. Quick, safe and convenient access to chassis ground and power by this monitor. 6. Uses safety banana sockets that accept all types of 4mm banana plugs including those with safety sheaths. One Package Weight:0.41kgs / 0.91lb One Package Size:23cm * 12cm * 7cm / 9.06inch * 4.72inch * 2.76inch Qty per Carton:40 Carton Weight:15.50kgs / 34.17lb Carton Size:46cm * 42cm * 38cm / 18.11inch * 16.54inch * 14.96inch Loading Container:20GP: 363 cartons * 40 pcs = 14520 pcs40HQ: 843 cartons * 40 pcs = 33720 pcs