What's in the box:

1 X KONNWEI Mini BT Wireless OBDII Car Auto Diagnostic Scan Tools Orange KW902 (Orange), Orange

Features:
Forward and reflected power direct digital readout, without any calibration.
Only works on gasoline cars, NO diesel vechicles!
Maximum measurable power range up to 100W.3seconds check your antenna SWR , also check your radio RF power watt.
Stable Wireless connection. The adapter uses the fastest and most reliable arm chips Supports OBDII protocols: iso15765-4 (can), iso14230-4 (Kwp2000), iso9141-2, J1850 vpw, J1850 pwm.
Compatible with Android phones only - not for use with iOS devices! Wireless (BT) .

Frequency Range:
COVER: 100MHz~520MHz
Insertion Loss: < 0.15dB (VHF), < 0.25dB (UHF)
Temperature: 0?~70?
Battery Build -in: Li-ion Battery
Size (WHIT OUT SMA: 25*25*60 (mm)
Power in: 5V (micro usb)
Interface (in and out ): SMA female
Impedance: 50O

Specifications:
Brand: KONNWEI
Color: Orange
Measurable power range: 0.5-100W
Maximum power: 100W
Accuracy: mean + / - 5%
MAX. Power in: 100 WATT
V.S.W.R: 1.00~19.9
Package Weight: 50g / 1.8oz
Package size: 12 * 5 * 1cm / 4.7 * 2 * 0.4in

Package List:
1 * OBDII Scanner BT KW902,
1 * English User Manual
1 * Drive