KOKUYO Power Point Operation Finger Presenter Obsidian ELA-FP1

[Body dimensions] Body: 32 x 32 x 32mm [Weight] Body: Approx. 12g (including battery) [Receivable distance] Radius approximately 15m [Communication method] RF (radio wave) method/2.4GHz frequency band [Accessories] 1 alkaline button battery (for LR43 trial), small ring (for laser pointer), storage pouch [Battery life] (When using alkaline button batteries) Operating time approximately 15 hours (when operated once every 30 seconds)