Currently I've been leaving them on but don't plan on running 24/7. It's got an on/off switch and usb powered

kuman 7 Inch Capacitive Touch Screen TFT LCD Display HDMI Module 1024x600 for Raspberry Pi 3 2 Model B and RPi 1 B+ A BB Black PC Various Systems SC7B https://www.amazon.com/dp/B01F3801A2/ref=cm_sw_r_apan_glt_fabc_XB9AFPVTQPTEB2G5Y6RG?_encoding=UTF8&psc=1