Good Knight Flash Refill

Volume: 45 ml (standard refill size). Technology: Gold Flash Technology with dual modes (Normal & Flash). Action: Flash mode releases visible, powerful vapors for quick knockdown; Normal mode for sustained protection. Duration: Each refill lasts up to 45 nights (based on 8 hrs/day in normal mode). Power Outage: Continues working for up to 2 hours after electricity cuts off. Safety: Safe for use around children and family.