3. Back view
4. Feature
4.1 Transmission mode
：
RF
4.2 Frequency
：
2410~2473MHz
4.3 RFchannel quantity
：
64
4.4 Center of Channel: 2410/2411/242…2471/2472/2473MHz
4.5 Width of Channel: 1MHz
4.6 Hopping Technology : Digital FHSS (Frequency Hopping Spread Spectrum)
4.7 Data Send timing: <500us
4.8 Power
：
2pcs *AAA alkaline batteries (1.5V)
4.9 Modulate mode
：
MSK
4.10 Effective distance
：
12m
4.11 Quantity of connection ID
：
24Bits (8,388,608 ID can be used)
4.12 Number of keys
：
99
4.13 Operating temperature
：
+5
℃
~+40
℃
