Taken from their official website:
http://www.touchngo.com.my/WhatSTAG_FAQ.html
1. What is SmartTAG?
It is the acronym for “Sistem Membayar Automatik Rangkaian Tol”. It is a vehicle on-board unit that works in combination with the Touch ‘n Go card and enables user to pay toll with drive-through convenience.
It is a battery-operated electronic device that receives and transmits the information between the Touch ‘n Go card and the tolling system at toll plaza using infrared as its communication medium.
2.
What is the price of a unit of SmartTAG?
The SmartTAG will be sold at RM120.
3.
Where can I purchase the SmartTAG?
Customers can purchase the SmartTAG at Touch ‘n Go Hubs located at Faber Towers and KL Sentral. Alternatively, customers can also purchase SmartTAG at all Customer Service Centre located at PLUS Highways.
4.
Is this Smart TAG model has a LCD screen?
Yes. This Smart TAG model has a LCD screen.
5. What are the benefits of using Smart TAG?
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Eco friendly - The use of infrared is safer to our health as compared to microwave technology. It also does not cause interference to the communication frequency.
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Fast Transaction Time – vehicles using SmartTAG lanes doubles the speed of normal Touch ‘n Go lanes.
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Value for money – time is money. Customers can breeze through the toll plaza without having to wait in queue. There is also less wear and tear on your vehicle’s tyres, brakes and power window.
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Flexibility – Customers can enter using SmartTAG lane and later exits using Touch ‘n Go lane and vice versa.
Where to buy smart tag?, other than PLUS highway tol office