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.