GoldWorld Metal Door Open Detector ,WIreless 433MHz door magnetic contact for my own gsm alarm system

GoldWorld Metal Door Open Detector ,WIreless 433MHz door magnetic contact for my own gsm alarm system
sku: 32976907997
$9.59
Shipping from: China
   Technical Details
Battery: 12V,23A (Not included)
Brand Name: GoldWorld
Chip: 1527
Distance: 60m in open area
Feature: For metal door
Frequency: 433Mhz
Model Number: MC55W
types: Metal door magnetic contact
   Price history chart & currency exchange rate

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