Min. Order Reference FOB Price
3000 Pieces US$1.00-10.00 / Piece
Product Description
Approval Explosion Proof Siren Smoke Wireless Alarm Product Description Technical specification Power Source: DC 3V(built-in lithium battery) Quiescent current:≤2uA Alarming mode: ≤120mA Frequency: 868MHZ Alarm decibel: ≥85db/3meters Temperature: -10ºC~+40ºC low voltage ...