The Hikvision DS-PS1-II-WB Wireless Internal Sounder is a powerful sounder designed to help secure your property. This sounder is manufactured by Hikvision and distributed by Nodac Technology in Miami, Florida.
Advantages:
Wireless design for easy installation.
Internal sounder for discreet security.
Loud alarm to deter intruders.
Red indicator light for added security.
Tamper-proof design to prevent unauthorized access.
Compatible with most standard security systems.
Easy to use and configure.
Made of high-quality materials.
Durable and long-lasting.
Compact and lightweight.
Here is a table of specification for RF transmission: