tiān-gán電眼

surveillance camera

surveillance camera; CCTV camera; security camera; electronic eye; eyes that give someone an electric spark; beguiling eyes; flirtatious eyes

figurativeslang

English Wiktionary, “電眼” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%9B%BB%E7%9C%BC · confidence: Medium (Wiktionary)