1. Size: 63*49*13*
2. Working method: independent function (lock when power off,unlock immediately when power on).
3. Voltage: 12V/2A, 24V/1A 
4. Mechanical lifespan: over 500,000 times.
5. Electromagnet lifespan: over 1,000,000 times under rating conditions.
6. Unlock test: Build-in test.
7. Can be used for self bounced off 
8. Material: Aluminum
9. Surface :Electroplating paint (Neutral smoke experiment time: over 48 hours)
10. Security: The hook can withstand 150kg of tension without obvious permanent deformation, 
with shockproof and anti-pry function.
11. Environment temperature: can working in range over 60 degrees to 10 degrees below zero.
12. Installation: Reserved mechanical emergency unlock position,Easy install.