Catalog > Consumer Electronics > Security & Alarms > Paradox Alarms Paradox Wireless Accessory Wireless Accessory 868MHz PDX WS588P (868) WS588P WIRELESS SMOKE DETECTOR 868MHz {PA3715F} Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features High-sensitivity photoelectric smoke sensorBuilt-in sirenWireless range in a typical residential environment: 30 m (100 ft.) with MG6130/ MG6160/MG6250, or 60 m (200 ft.) with MG5000/MG5050 and RTX3Available in 433 or 868 MHzPower: 9V battery