– Frequency : 433.92M Hz
– One transmitter with 4 receivers
– Dimension: 105×46×13mm (transmitter); 50×36×11mm (receiver); 75×29mm (base)
– Battery CR#2032 for receivers included
– Battery AAA1.5V x 2 not included
– Working distance: 30~40 M in open area
– LED torch function included.






