
Wireless Alarm Receiver with 4 Zones (ES-RFD1). Multi-Zone Configuration: Supports 4 wireless zones input and 4 wired zones output, with 8 or 16 zones optional. OEM and ODM Services: Full OEM and ODM services welcomed for customized security solutions. High Volume Alarm: Alarm volume reaches at least 80dB within 1 meter for effective alerting. Wireless Transmission: Operates on 433.92MHz frequency for reliable wireless signal transmission. CE Certified: Product meets CE certification standards for safety and compliance. Fast Delivery: Short manufacture period with peak season lead time of one month and off-season within 15 workdays. Professional Manufacturing: Manufactured by a Hi-tech enterprise with 150 employees and 6 advanced product lines. Global Service Network: Serves customers worldwide including Europe, Asia, Americas, and Africa.