Specification and model: XZ-BLJC-1LE Ⅰ 0.3W-D170 
Technical parameters: 
1. Product size: Φ 170mm × H34mm 
2. The lamp does not come with a battery inside 
3. Input voltage: DC24V～DC36V 
4. Rated power: 0.3W 
5. Emergency time: ≥ 1H 
6. Protection level: IP67