Multi-functional clock brings much convenience for your daily life. With this item, you can know outdoor temperature and humidity from the indoor receiver easily. Features - ColorAssorted Color - Material: Plastic. - Transmitter Size: 10x6.7x2.2cm. - Receiver Size: 12.8x12.8x2.2cm. - Made of premium plastic material, durable, lightweight and portable to use. - Measure indoor and outdoor temperature and humidity. You can know outdoor temperature and humidity with indoor receiver. - With calendar, weather , moon phase, alarm clock function. - 7 languages of week display. - Can be mounted on wall or on table. - Suitable for home, office, warehouse, garage, market, workshop and more places. Specifications - Temperature Measurement: 0 degree centigrade~50 degree centigrade. - Humidity Measurement: 20%-95%. - Temperature Resolution: 0.1 degree centigrade. - Humidity Resolution: 1%. - Temperature Accuracy: +/-1 degree centigrade. - Humidity Accuracy: +/-5%. - Receiver Size: 2pcs 1.5V AAA batteries (NOT included). - Transmitter Battery: 2pcs AAA batteries (NOT included). - Receiver Battery: 2pcs AAA batteries (NOT included). Package list: 1 x Outdoor Transmitter 1 x Indoor Receiver