Remote Digital Water Temperature Gauge is Suitable for measuring indoor and outdoor temperature in swimming pools, ponds and spas Bathtub Thermometer has Clear LCD display and is easy to view data Wireless Pool Thermometer can receive three 433MHz/100m distance channels, and water temperature from up to 3 locations, is professional and practical Pool thermometer is mainly made of wear-resistance, strong and durable plastic material for a long service life Spa Thermometer can set temperature alarm, snooze alarm, and display indoor and water temperature, month, date, week, time and receiving channel Description Pool thermometer with easy-reading digital LCD display and wireless design is a basic temperature gauge used to measure the water temperature in swimming pools, ponds, etc. Wireless pond thermometer with remote desgn is suitable for indoor and outdoor use in every season. Features Pool thermometer -Color: As shown. -Material: Plastic. -Size: Transmitter size: 8.5x15.8cm/3.35x6.22inch; Receiver size: 12x7.5x2.2cm/4.7x3x0.9inch(length x width x height); Receiver screen size: 6x4.5cm/2.36x1.77inch. Range: 100m Frequency: 433Hz (maximum) Water temperature range: 4060 degrees; indoor temperature range: 050 degrees. Temperature sensing response time: 48s Transmitter battery: AA x 2 (not included) Receiver battery: AAA x 2 (not included) Note: Please tighten the cover of the transmitter before use. Please put it in the basin for 3 minutes until no bubbles come out, then put it in the swimming pool. Package Including 1 * receiver display 1 * transmitter 1 * manual