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Telephone line/twisted-pair/electric wire: Yes
Telephone lines tracking distance: ≥3000m
Polarity indication for telelphone lines: Yes
Transmitter low battery indication: Yes
Standard accessories:9V battery x 2, English manual
Product size:Transmitter -74 x 68 x 28mm, receiver-208 x 47 x 33mm
Product net weight: Transmitter-150g, Receiver-130g
Standard individual packing:Gift box
Standard quantity per carton:20pcs
Standard carton measurement: 425mm x 335mm x 290mm
Standard carton gross weight: 8.4kg
