Features:
 *Water proof and dual use;
*Compact and light weight;;
*High sensitivity and sound pressure;
*Less power consumption;
*High reliability

 ELECTRICAL AND MECHANICAL CHARACTERISTICS: 

Type: HPU1840IFAH09G, dia: 14mm, H: 9mm

Using Method: Dual use

Frequency: 40±1KHz

S.P.L: >= 90dB (30cm/10Vrms)

Sensitivity: >= -90dB/V/µ bar

Capacitance: 2100pF±25% at 1KHz

Directivity: 110 x 50 degree

Operating Temp.: -40~+85 centigrade

Storage Temp.: -40~+85 centigrade

Allowable input Voltage: 160 Vp-p

Housing Material: Aluminum

 Email for pricing and detailed requirements.