Operates on 433MHz with Up to 50m Range in Open Areas - The receiver has a sensitivity -97dBm, allowing reliable signal penetration through walls, doors, and floors; includes one or more pre-paired keyfob transmitters. Compact Receiver for Easy Integration - Installs inline between power source and load (e.g., lamp, fan, outlet); no neutral wire required. Each receiver can store up to 20 remote . Supports Three Operating Modes: Momentary, Toggle, and Latched - Ships pre-set to latched mode for immediate use; mode can be changed via simple programming without tools or software. Rated for 10A Load at 110-250V AC - Built with a relay tested for over 100,000 cycles; compatible with standard household and light industrial voltages including 110V, 120V, 220V, and 240V systems. Transmitters Use Replaceable 12V 27A Batteries with 500k+ Click Life - Battery included; housing allows easy replacement. Suitable for controlling lighting, ventilation, appliances, or custom wireless switches in homes, workshops, farms, or labs., Manufacturer: Ounfhtrttk