Features:
1. 18m portable ultrasonic distance measurer with laser point aiming
2. Easy to handle and simple to store
3. Contribute to measuring the distance and area efficiently and quickly
4. Easy-to-read LCD screen on a luminous background displays clear reading in seconds
5. Widely used in home decoration and area calculation
6. No matter who you are, an estate agency, building work or someone going to install a new air-conditioner at home, this measurer will be a practical assistant for you
7. With foot/meter function button 
8. Switch off if you do not press any key for 4 min
9. Allow you to measure and store 3 different measures
10. Calculation of area and volume
11. Allow you to add or subtract 2 measures and delete quickly all the measures stored
12. The distance measurer indicates that a distance measured is either too long, or too short

Specifications:
1. Model: CP3008
2. Condition: New
3. Measuring Range: 39.37" - 708.66" / 1m - 18m
4. Accuracy: 0.5% + 1Digit
5. Working Voltage: 9 V

(So sorry for not including batteries,because of the aeropolitics.Hope you can understand,thank you very much.)
6. Weight: 3.70 oz / 105 g
7. Dimensions: (5.98 x 2.76 x 1.85)" / (15.2 x 7 x 4.7)cm (L x W x H)
8. Transmission Frequency: 40 KHZ 
9. Working Temperature: 0 °C ~ 43 ° C 
10. Color: Blue

Package Includes:
1 x Infrared Distancer
1 x Manual