... 5.attach to your keys Whistle alarm w/ septa, white box, CWKF-A1 Features:1.Simply whistle and this key fob ... whistle 3. Bright LED torch, without on/off switch, white box 4.Remove septa before use5. Black/White/Silver/Red, color ... vary. 6. The price is based on white box, Packing details: Item size: 56*28*16mm CTN size: 42 ... size: 20*14mm 38*12mm Whistle alarm w/ septa, white box, CWKF-A1