ThermoPro TX-7B Additional Outdoor Sensor Transmitter, Only for TP260B/TP280B Indoor Outdoor Thermometer Temperature and Humidity Monitor

Additional Sensor: Outdoor sensor is compatible with ThermoPro TP260B/TP280B indoor/outdoor thermometer; Accessory only, can not be used alone; Outdoor temperature range: -4℉~158℉
915MHz Signal & 1000FT Remote Range: Adopting top swiss-made sensirion technology, this additional remote temperature sensor transmits readings for ThermoPro thermometer indoor outdoor up to 1000 feet range, allowing you to monitor temperature from anywhere
Monitoring up to 4 locations: With additional inside outside thermometer remote sensors, you can track environmental conditions at up to 4 locations; Outdoor sensor defaults to channel ONE, you can slide Channel Selector to set channel 1, 2, 3
Rainproof Sensor: Wireless outdoor thermometer sensor features rainproof design, allows you to monitor outdoor temperature even in rainy days
Multiple Mounting Options: Place the wireless temperature sensor anywhere with the tabletop and wall-mounted design; Requires 2 AAA batteries (batteries included)