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WLtoys V913 Lower voltage alarm for the WL V913 V912 li-battery to ensure timely return(unofficial)


Upgrade Wltoys V912/V913 parts-Lower voltage alarm-50 meters auditory

(Alarm voltage adjustable,also have 50 meters auditory)
Usual price:$14.99
USD 9.99
As low as USD $7.99


How To install it ?

1). Just use a line to tie it on the helicopter body ,then can use
2). also when you connect it ,you must according the picture from our website .use white plug connect to the alarm ,when you first connect it ,will hear a "didi alarm" Sound.
3). also this alarm can adjust the voltage ,you can adjust the voltage by the instruction on the alarm (instruction is on the back side of the alarm)


Upgrade Wltoys V912/V913 parts-Lower voltage alarm-50 meters auditory

(Alarm voltage adjustable,also have 50 meters auditory)
Usual price:$14.99
USD 9.99
As low as USD $7.99


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