Emergency Whistle 3D Sensor Pedometer [Bouissuru] FB-738 Black

Size: Width 81 x Depth 14.5 x Height 34mm Weight of unit: Approximately 28g (including strap) Materials: Unit/ABS (acrylonitrile butadiene styrene) resin, transparent lens/PMMA (polymethyl methacrylate acrylic) resin Country of origin: China Set contents/accessories: Unit, neck strap (approx. 40cm), trial size (1 CR2032) Warranty period: 1 year Power source: 1 coin-type lithium (CR2032) Lifespan: Approximately 1 year Functions: Step count display (99,999 steps) Whistle volume: Over 100dB ※Whistle is not used