The kit includes the BMS, the LED panel, the shunt, the monitor and all the connection cables

TAO BMS is the base system to protect and manage a 12 volt battery (four lithium cells)
It comes fully assembled and configured for a standard installation. It just needs to be connected to the cells.
includes:

main unit in a 160 x 114 x 46 cm enclosure with:
battery wire harness (four cell connectors, a fuse for each cell connection, and a ground)
six relay outputs
one connector for the remote indicator panel
one connector for a current measuring shunt
one connector for the computer or the TAO Monitor option
remote LED panel (with 10 metres cable)
USB cable to connect a PC
PC application BMSconfig to configure the BMS, monitor cell status and run diagnostics (Windows or Mac) can be downloaded from the website

TAO Shunt is the shunt resistor to measure current in and out of the battery:
current range: +/- 250 Amps
current measure gain: 25 to 200 automatically adjusted by the BMS
smallest current detected: 1 mA
supplied with a 1.5 meter cable to connect to the BMS

TAO Monitor is a 3.5? touchscreen (with 10 metres extension cable):
integrated uninterruptible power supply (backup battery not included)
battery and cells measures
records lifetime history of all measures
records lifetime history of all events
WiFi to connect with other devices (phone, computer, tablet) – no App to download
Internet connection via WiFi
remote Cloud access
CANbus connectivity

Due to shipping restrictions the Li-ion backup battery is not included
You need to buy the rechargeable battery locally:

Li-ion battery type 18650 – 3.7 volt – capacity 3000 mAh

DO NOT OPERATE THE MONITOR WITHOUT THE BACKUP BATTERY
Operating the Monitor without the battery can corrupt the Monitor memory and voids the warranty