Set-top box size: 132*82*62 mm

Display:4 digits

Power supply: 5V 

Frequency:433.92MHZ 

Antenna length:208mm

Color: rose gold

Tabke Tag size: 88*50*24 mm

Battery: 5 AA battery  X 3 (2 year battery life)

Color: black

Additional lines are included

Tracker size: 103*103*15.6 mm

Power:Built-in 3.7 V lithium battery

Frequency:433.92MHZ 

Power supply: 7.5V/12V

Color: Black,red, blue

Materia:ABS plastic

Charger size: 103*103*15.6 mm

Color: Black,red, blue

Materia:ABS plastic 

Notes:Each charger base could maximally support 10 pcs of trackers.