RE18-15T 15-Channel Wireless Timer Emitter

Time display, day display, manual mode, automatic mode, random mode; Fifteen channels, each can control up to 20 receivers; Power: 3V CR2430 battery; Battery life: approx. 2 years; Transmit frequency: 433.92 MHz ± 100 KHz; Emitting power: 10 mW; Operating temperature: -20°C ~ +55°C