"Size when Folding: about 4 × 2.5 × 16.5cm, maximum extension is used: about 4 × 2.5 × 55cm The main materials and raw materials stainless steel With a shutter button that can press at hand Compact folding Maximum extension 31cm Shutter button function compatibility table http://www.gourmandise.co.jp/tekigou/jidori.html You can use the self-timer function in ※ shutter button non-compliant terminal"Sanrio