Specifications:
Operation voltage: DC 12V
Operation current: 10mA
Frequency: 433MHz
Control distance: 50m (in empty areas)
Ambient temperature: -20c ~ +50c
Battery: 12V27A battery (included)
Item size: 5.5 3 1.2 cm / 2.2 1.2 0.5 in
Item weight: 28.2 g / 0.99 oz
Package weight: 32g / 1.13 oz
Package size: 7 3.8 1.8 cm / 2.76 1.5 0.71 in
Note: It is not compatible with the rolling code.