FIL-W-H355 Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: FIL-W-H355 MANUFACTURER: Honeywell Fire Product Details WIRELESS FIXED-TEMPERATURE (135 DEGREE F) HEAT DETECTOR FOR USE WITH THE W-GATE WIRELESS GATEWAY, B501W BASE INCLUDED. REQUIRES (4) CR-123A BATTERIES ... Product Details Back Product DetailsWIRELESS FIXED-TEMPERATURE (135 DEGREE F) HEAT DETECTOR FOR USE WITH THE W-GATE WIRELESS GATEWAY, B501W BASE INCLUDED. REQUIRES (4) CR-123A BATTERIES (INCLUDED).