The remote controls channel on the remote control can be changed. The power is low but the laser LS-0L can be interrupted alarm detection from is still usable. If you give us signed written notice that you are not able to pay the registration fee we will pay the fee directly to AAA. Laser accuracy 2mm 20m marks interval 300m beam type RL-VH4DR-635 NM Red Laser class 3r rotating speed 0-300 RPM water-dustproof IP 54 Scan width 10 Degr battery power alkaline RL-VH4DR- 90hr working time rechargeable Ni-MH BT-63Q RL-VH4DR- 27hr Operating time environmental weight RL-VH4DR-2.2 kg Dimensions 12 x 167 x 240mm Detector RL-VH4DR-LS-0A remote control radius 100m water-dustproof IP 66 Power 2 x AA See folder. X: 10 to 10 Y: 5 to 25 degrees axes and axis symbols are as shown in the following diagram. Setting from the remote controller Only channel on the remote controller can be changed.The power is low but laser The LS-0L can be canceled the alarm detection from is still usable.If you provide us with signed written notice that you cannot pay the filing fee we will pay the fee directly to the AAA.Laser Accuracy 2mm 20m Detecting range 300m Beam type RL-VH4DR - 635 nm red Laser class 3R Rotating speed 0-300 rpm Water-dust proof IP 54 Scanning width 10 degr Battery Power Alkaline RL-VH4DR - 90hr operating time Rechargeable Ni-MH BT-63Q RL-VH4DR - 27hr operating time Environmental Weight RL-VH4DR - 2.2 kg Dimensions 12 x 167 x 240mm Detector RL-VH4DR - LS-0A Remote Control Radius 100m Water-dust proof IP 66 Power 2 x AA See Brochure.X: 10 to 10 Y: 5 to 25 Grade axes and axis symbols are as shown in the diagram below.