The G1160 (GM‑2100B‑3ADR) features a double LED Super Illuminator system—one LED lights the analog face and another lights the digital display, both with selectable duration (1.5 s or 3 s) and afterglow mode for visibility in low light. https://saicreationswatches.com/products/g1160-casio-g-shock-gm-2100b-3adr-green-metal-covered-men-s-watch