|External Power supply||100-240V AC|
|Built - in Battery||Ni-Hi rechargeable battery 3.7V/600mAh|
|Receiving and Transmitting frequency||433MHz|
|Maximum number of remote control||30 pcs|
|Maximum number of wireless detector||50 pcs|
|Wireless Working Distance||≤25m|
|Sound time||5 minutes|
|Volume||Adjustable 8 levels (including mute)|
|Operating Temperature||. -20°C to 50°C|
|Certifications||CE, FCC, ROHS|
*Due to continuous technology up gradation, designs and specification are subject to change without notice.
**The photos and images used here are only for reference purpose. The actual product may vary. All Brand names and trademark are the property of their respective owners.