5pieces lots high decibel buzzer yd4216 piezoelectric active dc3 24v continuous intermittent continuous sound 42 16mm
5pieces/lots High decibel buzzer YD4216 piezoelectric active DC3-24V continuous/intermittent continuous sound 42 * 16mm
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5pieces/lots 2316 active piezoelectric buzzer DC3-24V continuous sound buzzer horn 23 * 16MM
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5037-24 flashing sound and light high decibel alarm buzzer 911/alarm sound 120DB 3v-24V Fire/alarm/six tones
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5037-29 flashing sound and light high decibel alarm buzzer 911/alarm sound 120DB 3v-24V Fire/alarm/six tones
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5pieces/lots4218 active piezoelectric high decibel buzzer alarm sound alarm with ears 3-24V 42 * 18MM
647 Руб.
5pieces/lots 2310 SFM20-C Active Piezoelectric Buzzer DC3V~24V High Decibel Alarm 23 * 10mm
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10pcs SFM-27 95DB Alarm High-decibel 3-24V 12V Electronic Buzzer Beep Alarm Intermittent Continuous Beep for Arduino
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12V Decibel Backup Siren Beeper Buzzer Sound Warning Alarm Car/Truck Vehicle Horn Auto Reversing Reminders Accessory
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5pieces/lot SFM-27 type 3015A alarm DC3-24V active buzzer 3-24V continuous/intermittent sound with lead wire
543 Руб.
5pieces/lots SFM-20B Active Buzzer 2312 Piezoelectric Powered on Immediate Sound DC3-24V Continuous Sound Alarm
590 Руб.
10PCS/LOT SMD9032 9025 Chip Buzzer Passive Electromagnetic AC Side Sound, High Temperature Resistant, Micro Ultra Thin 9 * 3.2MM
436 Руб.
1PCS 2910 active buzzer piezoelectric 3025 continuous/intermittent sound spiral 3-24V DC refrigeration equipment
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10pcs/lot 12075 active buzzer 3V 5V 12V DC long sound electromagnetic type high-temperature resistant TMB12D05 12 * 7.5m
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AN127 Invisible In-Ear Hearing Aid Sound Amplifier For The Elderly And Hearing Impaired(Red Right Ear)
18 Руб.
Описание:
1. This hearing aid is specially designed for the elderly or people with hearing problems, suitable for those people or patients with hearing loss.2. Low power consumption, high fidelity, high-quality chips, and invisible flesh-colored surface will not appear incongruous in the crowd.3. With volume control function, the volume can be adjusted to meet your own needs and preferences.4. Built-in battery power supply, smaller, simpler, more convenient, more powerful and more stable.5. With digital circuit and automatic noise reduction technology, the sound is natural and brings you a comfortable experience.6. Ergonomic earplug design, even if you wear it for a long time, you will not feel pain. Specification:1. Material: plastic 2. Battery: 1 A10 battery, 1.4V, 1.2mA3. Maximum sound output: 122+/-3dB4. Sound gain: greater than or equal to 28dB+/-2dB5. Total harmonic distortion: less than or equal to 3%6. Frequency range: 300-4800MHz 7. Input noise: less than or equal to 26dBCaution: To avoid accidental swallowing by children, keep small parts out of reach of children