Specifications:Battery Type: 1x 9V battery (Not Included)Item Weight: 0.3kgHardware Version: OEC-T5Software Version: EL-50448Material Type: ABSColor: Black + OrangeHow to use EL 50448 TPMS Activation Tool:Step 1:Enter leaning modeSet the gearshift lever to "P"Put the ignition switch to ONEnter the interface of tire pressure display by DICDIC shows "Press Set / Ctrl to re-learn"Press Set / CtrlThe turn signal light is on for 3 seconds and the horn beeps twice to enter the learning modeStep 2:Read tire pressure sensor informationStart from the front-left wheel,Place the EL-50448 Tool antenna up against the valve core, close to the rim and tire sidewallPress the Start ButtonThe tire pressure sensor information is successfully read when the horn bleeps onceStep 3:Same method to read other tire pressure informationFollow the instuction above to read tire pussure of the front-right, rear-right, rear-left wheels.Turn signal lights turn on for 3 seconds and the horn bleeps twice when the learning is complete. Tire Pressure Monitor Sensor TPMS Activation Tool EL-50448 OEC-T5 For vehicles equipped with a 315 or 433 MHz Tire Pressure Monitoring (TPM) system, a "Sensor Re-Learn Procedure" must be performed after tire rotations, Remote Control Door Lock Receiver Module replacement or Tire Pressure Sensor replacement. This re-learn procedure can be performed by using special tool EL-50448. Packaging includes 1x EL-50448 Tire Pressure Reset InstrumentOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.