RE03-15 15-Channel Wireless Timer Emitter

Time display, week display, manual mode, automatic mode, random mode; Fifteen channels, each can control up to 20 receivers; Power: 3V CR2032 battery; Battery life: over 2 years; Transmit distance: outdoor 200 meters, indoor 35 meters; Emitting frequency: 433.92 MHz ± 100 KHz; Emitting power: 10 mW; Operating temperature: -20°C ~ +55°C