Which one do you prefer?
$Invesco QQQ Trust (QQQ.US)$
$Vanguard Information Technology ETF (VGT.US)$
$The Technology Select Sector SPDR® Fund (XLK.US)$
$Fidelity Covington Trust Msci Information Technology Index Etf (FTEC.US)$
$Spdr Nyse Technology Etf (XNTK.US)$
Some new ETFs in the QQQ family
$Invesco NASDAQ 100 ETF (QQQM.US)$ 
$Invesco Exchange Traded Fd Tr Ii Nasdaq Next Gen 100 Etf (QQQJ.US)$ 
FYI, QQQ and XNTK have $Tesla (TSLA.US)$ component.