Sherlo 1Ch 100m to 500m Stand Alone Transmitter 403 OR 433MHz S1

Encryption: Code-Hopping |Range: 500m (Open air) |Frequency: 403MHz |Voltage Range: 9.8V to 16V DC |Current on TX: +/-30mA |Sleep mode: +/-9.15mA |Gross Weight: 50 grams |Operating Temp: -3°C to 65°C |Dimensions: (lxbxh) 187 x 104 x 67 mm