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

Encryption: Code-Hopping Range: 100m (In-Door) Range: 500m (Open air) Frequency: 403 or 433MHz 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