... find lost keys 5.attach to your keys key blank finder w/ light &on/off switch, white box, CWKF-B1Features:1.Simply whistle and ... strong key ringBeeps and flashes in response to your whistle 3. Bright LED torch, with on/off switch, white boxes 4.Turn on the switch before ... : 8.5kg/9.5kg Logo size: 20*14mm 38*12mm key blank finder w/ light &on/off switch, white box, CWKF-B1