Features: _x000D_ Excellent quality material, durable, resistant to wear and tear. _x000D_ Measures the water temperature of pool and spa water, accurate and fast. _x000D_ With the record Maximum and minimum indoor temperature and water temperature. _x000D_ 433 MHZ wireless receive 3 channels of water temperature. _x000D_ The alarm clock with snooze function. _x000D_ Waterproof and floating transmitter, suitable for all outdoor and indoor swimming pool, spa, hot tub, aquarium and pond._x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Plastic _x000D_ Color: As picture _x000D_ Temperature measuring range: -40~+60 / -58~+140 _x000D_ Indoor temperature range: -0~+50 _x000D_ Resolution rate: -40~140 _x000D_ Calendar: 1st Jan, 2000 ~ 31st Jan, 2099 _x000D_ Outdoor visible distance: 100 meters _x000D_ Frequency: 433MHZ _x000D_ Update speed: Every 90seconds(Last for 10 seconds) _x000D_ Power supply of display: 2 pcs AAA 1.5V alkaline battery (Not included) _x000D_ Power supply of transmitter: 2 pcs AAA 1.5V alkaline battery (Not included) _x000D_ Size of transmitter: Approx. 16cm / 6.29 inch _x000D_ Size of display: Approx. 12*7.7cm / 4.72*3.03 inch _x000D_ _x000D_ _x000D_ Package list: _x000D_ 1 * Wireless Pool Floating Thermometer transmitter _x000D_ 1 * Wireless Pool Floating Thermometer display _x000D_ 1 * User manual _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering. 1Excellent quality material, durable, resistant to wear and tear. 2With the record Maximum and minimum indoor temperature and water temperature. 3433 MHZ wireless receive 3 channels of water temperature. 4The alarm clock with snooze function. 5Waterproof and floating transmitter, suitable for all outdoor and indoor swimming pool, spa, hot tub, aquarium and pond.