main features:
1.range finding function:be able to detect the distance between you and the dog.
2.very small the collar receiver.size:2.8(l)*1.4(w)*0.9(h).
3.can be use more than 1 month after charge full.charging port is the android general microusb port.
4.very easy to use.you can use it after charge.
5.range up to 660 yards.1 year free replacement warranty.
6.any issue can be resoled after charg it.
petinccn profile: 
the petinccn remote dog training collar is a high performance and high quality dog training product.the product has been used the soc as the main chip.the system is stable, reliable, long servicelife, and has the function of automatic depth sleep and wireless signal wake up, range is far. the product has a unique range finding function, can be detected the distance between the transmitterand receiver.the transmitter and receiver surface are treated with uv paint, the surface is hard and smooth, it is not easy to get dirty and easy to clean.easy to use.when you get the product, noneed to pair, charge it can be used.if the product meets the force majeure factors crash, charge it can be returned to normal use.
features:
 1. the receive collar is small.able to fit small,medium and large dogs.
 2. range: 660 yards.
 3. remote training collar with 4 functions: range finding,vibration, shock, tone.
 4. range finding definition:can be detect the distance between transmitter and receiver.
 5. tone vibration static shock options: can be adjusted the level continuously for vibration static shock range finding.1 level of standard tone.
 6. remote transmitter can control up to two collars.waterproof collar receiver.
 7. power saving design with automatic standby and memory function.
 8. battery type: rechargeable lithium batteries for collar receiver and remote transmitter.
 9. battery power can be displayed by three different colors of the indicator light.
 10. charging cable is the android general microusb cable.
attention and troubleshooting:
 there're 3 channels for this product.the original default value is 1.if you synchronise the transmitter and receiver in channel 2 or 3.the receiver collar can only be controlled in channel 2 or3.it won't work in channel 1.

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深圳佩特技术有限公司
曹文彬
18603018601
西乡臣田工业区36栋306